| Table ID No. | MCAG | Legal Name | Entity Name | Government Description |
| 603 | 2425 | Wahkiakum Conservation District | Wahkiakum Conservation District | Conservation District |
| 650 | 0172 | Wahkiakum County | Wahkiakum County | County |
| 199 | 0069 | Wahkiakum County Cemetery District No. 1 | Wahkiakum County Cemetery District No 1 | Cemetery District |
| 200 | 0070 | Wahkiakum County Cemetery District No. 2 | Wahkiakum County Cemetery District No 2 | Cemetery District |
| 749 | 0999 | Wahkiakum County Dike District No. 1 | Wahkiakum County Dike District No 1 | Diking/Drainage District |
| 750 | 1001 | Wahkiakum County Dike District No. 5 | Wahkiakum County Dike District No 5 | Diking/Drainage District |
| 751 | 1000 | Wahkiakum County Dike Improvement District No. 4 | Wahkiakum County Dike Improvement District No 4 | Diking/Drainage District |
| 1198 | 1361 | Wahkiakum County Fire Protection District No. 1 | Wahkiakum County Fire Protection District No 1 | Fire Protection District |
| 1199 | 1362 | Wahkiakum County Fire Protection District No. 2 | Wahkiakum County Fire Protection District No 2 | Fire Protection District |
| 1200 | 1363 | Wahkiakum County Fire Protection District No. 3 | Wahkiakum County Fire Protection District No 3 | Fire Protection District |
| 1201 | 1364 | Wahkiakum County Fire Protection District No. 4 | Wahkiakum County Fire Protection District No 4 | Fire Protection District |
| 1697 | 1762 | Wahkiakum County Port District No. 1 | Wahkiakum County Port District No 1 | Port District (Includes Airports) |
| 1698 | 1763 | Wahkiakum County Port District No. 2 | Wahkiakum County Port District No 2 | Port District (Includes Airports) |
| 1782 | 1804 | Public Utility District No. 1 of Wahkiakum County | Wahkiakum County Public Utility District No 1 | Public Utility District (PUD) |
| 2068 | 2074 | Wahkiakum School District No. 200 | Wahkiakum School District No 200 | School Districts |
| 2069 | 1871 | Wahluke School District No. 73 | Wahluke School District No 73 | School Districts |
| 1609 | 0187 | Waitsburg Park and Recreation District | Waistburg Park and Recreation District | Park and Recreation District |
| 1263 | 1432 | Waitsburg Coppei Flood Control District | Waitsburg Coppei Flood Control District | Flood Control District |
| 2070 | 2080 | Waitsburg School District No. 401-100 | Waitsburg School District No 401-100 | School Districts |
| 479 | 0771 | City of Waitsburg | Waitsburg, City of | City/Town |
| 556 | S683 | Walla Walla Community College | Walla Walla Community College | Community or Technical College |
| 604 | 2426 | Walla Walla County Conservation District | Walla Walla Conservation District | Conservation District |
| 651 | 0174 | Walla Walla County | Walla Walla County | County |
| 1202 | 1365 | Walla Walla County Fire Protection District No. 1 | Walla Walla County Fire Protection District No 1 | Fire Protection District |
| 1203 | 1367 | Walla Walla County Fire Protection District No. 3 | Walla Walla County Fire Protection District No 3 | Fire Protection District |
| 1204 | 1368 | Walla Walla County Fire Protection District No. 4 | Walla Walla County Fire Protection District No 4 | Fire Protection District |
| 1205 | 1369 | Walla Walla County Fire Protection District No. 5 | Walla Walla County Fire Protection District No 5 | Fire Protection District |
| 1206 | 1370 | Walla Walla County Fire Protection District No. 6 | Walla Walla County Fire Protection District No 6 | Fire Protection District |
| 1207 | 1371 | Walla Walla County Fire Protection District No. 7 | Walla Walla County Fire Protection District No 7 | Fire Protection District |
| 1208 | 1372 | Walla Walla County Fire Protection District No. 8 | Walla Walla County Fire Protection District No 8 | Fire Protection District |
| 1379 | 0404 | Housing Authority of Walla Walla County | Walla Walla County Housing Authority | Housing Authority |
| 2359 | 0279 | Walla Walla County Noxious Weed District | Walla Walla County Noxious Weed District | Weed District |
| 1535 | 1645 | Walla Walla County Rural Library District | Walla Walla County Rural Library District | Library District |
| 2147 | 2815 | Walla Walla County Water Conservation Board | Walla Walla County Water Conservation Board | Water Conservation Board |
| 1380 | 1521 | City of Walla Walla Housing Authority | Walla Walla Housing Authority | Housing Authority |
| 2071 | 2076 | Walla Walla School District No. 140 | Walla Walla School District No 140 | School Districts |
| 480 | 0773 | City of Walla Walla | Walla Walla, City of | City/Town |
| 1699 | 1764 | Port of Walla Walla | Walla Walla, Port of | Port District (Includes Airports) |
| 201 | 0071 | Wallula Cemetery District | Wallula Cemetery District | Cemetery District |
| 2324 | 2322 | Wallula Water District No. 1 | Wallula Water District No 1 | Water/Sewer District |
| 2072 | 2116 | Wapato School District No. 207 | Wapato School District No 207 | School Districts |
| 481 | 0855 | City of Wapato | Wapato, City of | City/Town |
| 605 | 2400 | Warden Conservation District | Warden Conservation District | Conservation District |
| 2073 | 1874 | Warden School District No. 146-161 | Warden School District No 146-161 | School Districts |
| 482 | 0327 | City of Warden | Warden, City of | City/Town |
| 1267 | 2355 | Washington Association of County Officials | Washington Association of County Officials | Government Association |
| 1268 | 2724 | Washington Association of Sheriffs and Police Chiefs | Washington Association of Sheriffs and Police Chiefs | Government Association |
| 1389 | 0317 | Washington Cities Insurance Authority | Washington Cities Insurance Authority | Insurance Pool/Risk Management |
| 1390 | 0775 | Washington Counties Insurance Fund | Washington Counties Insurance Fund | Insurance Pool/Risk Management |
| 1391 | 2780 | Washington Counties Insurance Pool | Washington Counties Insurance Pool | Insurance Pool/Risk Management |
| 1392 | 0774 | Washington Counties Risk Pool | Washington Counties Risk Pool | Insurance Pool/Risk Management |
| 1269 | 2356 | Washington Fire Commissioners Association | Washington Fire Commissioners Association | Government Association |
| 1393 | 0703 | Washington Governmental Entity Pool | Washington Governmental Entity Pool | Insurance Pool/Risk Management |
| 1270 | 2357 | Washington Public Ports Association | Washington Public Ports Association | Government Association |
| 1394 | 0356 | Washington PUDs' Utilities System Joint Self-Insurance Fund | Washington PUDs Utilities System Joint Self-Insurance Fund | Insurance Pool/Risk Management |
| 1395 | 1275 | Washington Rural Counties Insurance Pool | Washington Rural Counties Insurance Pool | Insurance Pool/Risk Management |
| 830 | 0004 | Washington School Information Processing Cooperative | Washington School Information Processing Cooperative | Educational Service District (ESD) |
| 1396 | 0596 | Washington Schools Risk Management Pool | Washington Schools Risk Management Pool | Insurance Pool/Risk Management |
| 1737 | 1156 | Washington State Major League Baseball Stadium | Washington State Major League Baseball Stadium | Public Development Authority |
| 1710 | P005 | Washington State Migrant Council | Washington State Migrant Council | Private Nonprofit Corporation |
| 1738 | 1196 | Washington State Public Stadium Authority | Washington State Public Stadium Authority | Public Development Authority |
| 1271 | 2354 | Washington State School Directors' Association | Washington State School Directors Association | Government Association |
| 1711 | P004 | Washington State Substance Abuse Coalition | Washington State Substance Abuse Coalition | Private Nonprofit Corporation |
| 1397 | 0680 | Washington State Transit Insurance Pool | Washington State Transit Insurance Pool | Insurance Pool/Risk Management |
| 2128 | S365 | Washington State University | Washington State University | University or College |
| 107 | S950 | State of Washington | Washington, State of | Agency, Commission, or Board |
| 2074 | 1840 | Washougal School District No. 112 | Washougal School District No 112 | School Districts |
| 483 | 0251 | City of Washougal | Washougal, City of | City/Town |
| 1739 | 2828 | Washtucna Public Development Authority | Washtucna Public Development Authority | Public Development Authority |
| 2075 | 1808 | Washtucna School District No. 109 | Washtucna School District No 109 | School Districts |
| 484 | 0193 | Town of Washtucna | Washtucna, Town of | City/Town |
| 1398 | 0736 | Water and Sewer Insurance Pool | Water and Sewer Insurance Pool | Insurance Pool/Risk Management |
| 1700 | 1738 | Port of Waterman | Waterman, Port of | Port District (Includes Airports) |
| 1559 | 2778 | Watershed Management Project Joint Board | Watershed Management Project Joint Board | Miscellaneous |
| 2076 | 1859 | Waterville School District No. 209 | Waterville School District No 209 | School Districts |
| 485 | 0282 | Town of Waterville | Waterville, Town of | City/Town |
| 486 | 0730 | Town of Waverly | Waverly, Town of | City/Town |
| 2325 | 2194 | Well Water District | Well Water District | Water/Sewer District |
| 2077 | 2056 | Wellpinit School District No. 49 | Wellpinit School District No 49 | School Districts |
| 1480 | 1629 | Wenas Irrigation District | Wenas Irrigation District | Irrigation and Reclamation District |
| 1481 | 1554 | Wenatchee Chewawa Irrigation District | Wenatchee Chewawa Irrigation District | Irrigation and Reclamation District |
| 1482 | 1558 | Wenatchee Heights Reclamation District | Wenatchee Heights Reclamation District | Irrigation and Reclamation District |
| 1381 | 0439 | Housing Authority of City of Wenatchee | Wenatchee Housing Authority | Housing Authority |
| 1483 | 1557 | Wenatchee Reclamation District | Wenatchee Reclamation District | Irrigation and Reclamation District |
| 2078 | 1829 | Wenatchee School District No. 246 | Wenatchee School District No 246 | School Districts |
| 557 | S686 | Wenatchee Valley College | Wenatchee Valley College | Community or Technical College |
| 1712 | 1314 | Wenatchee Visitors Bureau | Wenatchee Visitors Bureau | Private Nonprofit Corporation |
| 487 | 0224 | City of Wenatchee | Wenatchee, City of | City/Town |
| 1484 | 1567 | West End Irrigation District | West End Irrigation District | Irrigation and Reclamation District |
| 1264 | 1421 | West Lake Sammamish Flood District | West Lake Sammamish Flood District | Flood Control District |
| 488 | 0212 | City of West Richland | West Richland, City of | City/Town |
| 2079 | 2117 | West Valley School District No. 208 | West Valley School District No 208 | School Districts |
| 2080 | 2051 | West Valley School District No. 363 | West Valley School District No 363 | School Districts |
| 2129 | S380 | Western Washington University | Western Washington University | University or College |
| 489 | 0355 | City of Westport | Westport, City of | City/Town |
| 1485 | 1605 | Westside Irrigation District No. 5 | Westside Irrigation District No 5 | Irrigation and Reclamation District |
| 558 | S621 | Whatcom Community College | Whatcom Community College | Community or Technical College |
| 606 | 2427 | Whatcom Conservation District | Whatcom Conservation District | Conservation District |
| 614 | 0883 | Whatcom Council of Governments | Whatcom Council of Governments | Council of Govt's/Conference of Govt's |
| 652 | 0176 | Whatcom County | Whatcom County | County |
| 202 | 0072 | Whatcom County Cemetery District No. 1 | Whatcom County Cemetery District No 1 | Cemetery District |
| 203 | 0081 | Whatcom County Cemetery District No. 10 | Whatcom County Cemetery District No 10 | Cemetery District |
| 204 | 0082 | Whatcom County Cemetery District No. 11 | Whatcom County Cemetery District No 11 | Cemetery District |
| 205 | 0073 | Whatcom County Cemetery District No. 2 | Whatcom County Cemetery District No 2 | Cemetery District |
| 206 | 0074 | Whatcom County Cemetery District No. 3 | Whatcom County Cemetery District No 3 | Cemetery District |
| 207 | 0075 | Whatcom County Cemetery District No. 4 | Whatcom County Cemetery District No 4 | Cemetery District |
| 208 | 0076 | Whatcom County Cemetery District No. 5 | Whatcom County Cemetery District No 5 | Cemetery District |
| 209 | 0077 | Whatcom County Cemetery District No. 6 | Whatcom County Cemetery District No 6 | Cemetery District |
| 210 | 0078 | Whatcom County Cemetery District No. 7 | Whatcom County Cemetery District No 7 | Cemetery District |
| 211 | 0079 | Whatcom County Cemetery District No. 8 | Whatcom County Cemetery District No 8 | Cemetery District |
| 212 | 0080 | Whatcom County Cemetery District No. 9 | Whatcom County Cemetery District No 9 | Cemetery District |
| 752 | 1013 | Whatcom County Consolidated Drainage District No. 20 | Whatcom County Consolidated Drainage District No 20 | Diking/Drainage District |
| 753 | 1014 | Whatcom County Consolidated Drainage District No. 21 | Whatcom County Consolidated Drainage District No 21 | Diking/Drainage District |
| 754 | 0208 | Whatcom County Consolidated Drainage District No. 31 | Whatcom County Consolidated Drainage District No 31 | Diking/Drainage District |
| 755 | 1002 | Whatcom County Dike District No. 1 | Whatcom County Dike District No 1 | Diking/Drainage District |
| 756 | 1133 | Whatcom County Diking District No. 2 | Whatcom County Diking District No 2 | Diking/Drainage District |
| 757 | 1003 | Whatcom County Drainage District No. 2 | Whatcom County Drainage District No 2 | Diking/Drainage District |
| 758 | 1004 | Whatcom County Drainage District No. 3 | Whatcom County Drainage District No 3 | Diking/Drainage District |
| 759 | 1005 | Whatcom County Drainage Improvement District No. 1 | Whatcom County Drainage Improvement District No 1 | Diking/Drainage District |
| 760 | 2493 | Whatcom County Drainage Improvement District No. 15 | Whatcom County Drainage Improvement District No 15 | Diking/Drainage District |
| 761 | 2494 | Whatcom County Drainage Improvement District No. 17 | Whatcom County Drainage Improvement District No 17 | Diking/Drainage District |
| 762 | 2496 | Whatcom County Drainage Improvement District No. 30 | Whatcom County Drainage Improvement District No 30 | Diking/Drainage District |
| 763 | 1006 | Whatcom County Drainage Improvement District No. 5 | Whatcom County Drainage Improvement District No 5 | Diking/Drainage District |
| 764 | 1007 | Whatcom County Drainage Improvement District No. 6 | Whatcom County Drainage Improvement District No 6 | Diking/Drainage District |
| 765 | 1008 | Whatcom County Drainage Improvement District No. 7 | Whatcom County Drainage Improvement District No 7 | Diking/Drainage District |
| 1209 | 1373 | Whatcom County Fire Protection District No. 1 | Whatcom County Fire Protection District No 1 | Fire Protection District |
| 1210 | 2612 | Whatcom County Fire Protection District No. 10 | Whatcom County Fire Protection District No 10 | Fire Protection District |
| 1211 | 2613 | Whatcom County Fire Protection District No. 11 | Whatcom County Fire Protection District No 11 | Fire Protection District |
| 1212 | 2614 | Whatcom County Fire Protection District No. 13 | Whatcom County Fire Protection District No 13 | Fire Protection District |
| 1213 | 2615 | Whatcom County Fire Protection District No. 14 | Whatcom County Fire Protection District No 14 | Fire Protection District |
| 1214 | 2617 | Whatcom County Fire Protection District No. 16 | Whatcom County Fire Protection District No 16 | Fire Protection District |
| 1215 | 2618 | Whatcom County Fire Protection District No. 17 | Whatcom County Fire Protection District No 17 | Fire Protection District |
| 1216 | 2619 | Whatcom County Fire Protection District No. 18 | Whatcom County Fire Protection District No 18 | Fire Protection District |
| 1217 | 2620 | Whatcom County Fire Protection District No. 19 | Whatcom County Fire Protection District No 19 | Fire Protection District |
| 1218 | 1374 | Whatcom County Fire Protection District No. 2 | Whatcom County Fire Protection District No 2 | Fire Protection District |
| 1219 | 1375 | Whatcom County Fire Protection District No. 3 | Whatcom County Fire Protection District No 3 | Fire Protection District |
| 1220 | 1376 | Whatcom County Fire Protection District No. 4 | Whatcom County Fire Protection District No 4 | Fire Protection District |
| 1221 | 1377 | Whatcom County Fire Protection District No. 5 | Whatcom County Fire Protection District No 5 | Fire Protection District |
| 1222 | 1378 | Whatcom County Fire Protection District No. 6 | Whatcom County Fire Protection District No 6 | Fire Protection District |
| 1223 | 1379 | Whatcom County Fire Protection District No. 7 | Whatcom County Fire Protection District No 7 | Fire Protection District |
| 1224 | 1380 | Whatcom County Fire Protection District No. 8 | Whatcom County Fire Protection District No 8 | Fire Protection District |
| 1225 | 1381 | Whatcom County Fire Protection District No. 9 | Whatcom County Fire Protection District No 9 | Fire Protection District |
| 1382 | 0159 | Whatcom County Housing Authority | Whatcom County Housing Authority | Housing Authority |
| 1783 | 1806 | Whatcom County Public Utility District No. 1 | Whatcom County Public Utility District No 1 | Public Utility District (PUD) |
| 1536 | 1646 | Whatcom County Rural Library District | Whatcom County Rural Library District | Library District |
| 2326 | 2187 | Whatcom County Sewer District No. 2 | Whatcom County Sewer District No 2 | Water/Sewer District |
| 2148 | 2816 | Whatcom County Water Conservation Board | Whatcom County Water Conservation Board | Water Conservation Board |
| 2327 | 2330 | Whatcom County Water District No. 10 | Whatcom County Water District No 10 | Water/Sewer District |
| 2328 | 2332 | Whatcom County Water District No. 11 | Whatcom County Water District No 11 | Water/Sewer District |
| 2329 | 2333 | Whatcom County Water District No. 12 | Whatcom County Water District No 12 | Water/Sewer District |
| 2330 | 2334 | Whatcom County Water District No. 13 | Whatcom County Water District No 13 | Water/Sewer District |
| 2331 | 0206 | Whatcom County Water District No. 15 | Whatcom County Water District No 15 | Water/Sewer District |
| 2332 | 0322 | Whatcom County Water District No. 17 | Whatcom County Water District No 17 | Water/Sewer District |
| 2333 | 0681 | Whatcom County Water District No. 18 | Whatcom County Water District No 18 | Water/Sewer District |
| 2334 | 2324 | Whatcom County Water District No. 2 | Whatcom County Water District No 2 | Water/Sewer District |
| 2335 | 2327 | Whatcom County Water District No. 7 | Whatcom County Water District No 7 | Water/Sewer District |
| 1754 | 2829 | Whatcom Public Facilities District | Whatcom Public Facilities District | Public Facilities Districts |
| 2116 | 0538 | Whatcom Transportation Authority | Whatcom Transportation Authority | Transit/Transportation Authority |
| 526 | S535 | Washington State Wheat Commission | Wheat Commission, Washington State | Commodity Commissions |
| 607 | 2402 | Whidbey Island Conservation District | Whidbey Island Conservation District | Conservation District |
| 1338 | 1466 | Whidbey Island Public Hospital District | Whidbey Island Public Hospital District | Hospital District |
| 766 | 0930 | Whitaker Lowry Ditch District | Whitaker Lowry Ditch District | Diking/Drainage District |
| 2081 | 1957 | White Pass School District No. 303 | White Pass School District No 303 | School Districts |
| 2082 | 2008 | White River School District No. 416 | White River School District No 416 | School Districts |
| 1486 | 1579 | White Salmon Irrigation District | White Salmon Irrigation District | Irrigation and Reclamation District |
| 2083 | 1943 | White Salmon School District No. 405-17 | White Salmon School District No 405-17 | School Districts |
| 490 | 0481 | City of White Salmon | White Salmon, City of | City/Town |
| 1487 | 1589 | Whitestone Reclamation District | Whitestone Reclamation District | Irrigation and Reclamation District |
| 608 | 2431 | Whitman Conservation District | Whitman Conservation District | Conservation District |
| 653 | 0179 | Whitman County | Whitman County | County |
| 213 | 0083 | Whitman County Cemetery District No. 1 | Whitman County Cemetery District No 1 | Cemetery District |
| 214 | 0084 | Whitman County Cemetery District No. 2 | Whitman County Cemetery District No 2 | Cemetery District |
| 215 | 0085 | Whitman County Cemetery District No. 3 | Whitman County Cemetery District No 3 | Cemetery District |
| 216 | 0086 | Whitman County Cemetery District No. 4 | Whitman County Cemetery District No 4 | Cemetery District |
| 217 | 0087 | Whitman County Cemetery District No. 5 | Whitman County Cemetery District No 5 | Cemetery District |
| 218 | 0088 | Whitman County Cemetery District No. 6 | Whitman County Cemetery District No 6 | Cemetery District |
| 219 | 0089 | Whitman County Cemetery District No. 7 | Whitman County Cemetery District No 7 | Cemetery District |
| 220 | 0090 | Whitman County Cemetery District No. 8 | Whitman County Cemetery District No 8 | Cemetery District |
| 1226 | 0513 | Whitman County Colton Fire Protection District No. 14 | Whitman County Colton Fire Protection District No 14 | Fire Protection District |
| 1610 | 2779 | Whitman County Endicott Parks and Recreation District No. 7 | Whitman County Endicott Parks and Recreation District No. 7 | Park and Recreation District |
| 1227 | 1391 | Whitman County Fire Protection District No. 1 | Whitman County Fire Protection District No 1 | Fire Protection District |
| 1228 | 2621 | Whitman County Fire Protection District No. 10 | Whitman County Fire Protection District No 10 | Fire Protection District |
| 1229 | 2622 | Whitman County Fire Protection District No. 11 | Whitman County Fire Protection District No 11 | Fire Protection District |
| 1230 | 2623 | Whitman County Fire Protection District No. 12 | Whitman County Fire Protection District No 12 | Fire Protection District |
| 1231 | 2624 | Whitman County Fire Protection District No. 13 | Whitman County Fire Protection District No 13 | Fire Protection District |
| 1232 | 1392 | Whitman County Fire Protection District No. 2 | Whitman County Fire Protection District No 2 | Fire Protection District |
| 1233 | 1393 | Whitman County Fire Protection District No. 3 | Whitman County Fire Protection District No 3 | Fire Protection District |
| 1234 | 1394 | Whitman County Fire Protection District No. 4 | Whitman County Fire Protection District No 4 | Fire Protection District |
| 1235 | 1395 | Whitman County Fire Protection District No. 5 | Whitman County Fire Protection District No 5 | Fire Protection District |
| 1236 | 1396 | Whitman County Fire Protection District No. 6 | Whitman County Fire Protection District No 6 | Fire Protection District |
| 1237 | 1397 | Whitman County Fire Protection District No. 7 | Whitman County Fire Protection District No 7 | Fire Protection District |
| 1238 | 1398 | Whitman County Fire Protection District No. 8 | Whitman County Fire Protection District No 8 | Fire Protection District |
| 1611 | 0519 | Whitman County Garfield Park and Recreation District No. 2 | Whitman County Garfield Park and Recreation District No 2 | Park and Recreation District |
| 1612 | 0517 | Whitman County LaCrosse Park and Recreation District No. 1 | Whitman County LaCrosse Park and Recreation District No 1 | Park and Recreation District |
| 1339 | 2634 | Whitman County Public Hospital District No. 1A | Whitman County Public Hospital District No 1A | Hospital District |
| 1340 | 0515 | Whitman County Public Hospital District No. 2 | Whitman County Public Hospital District No 2 | Hospital District |
| 1341 | 0747 | Whitman County Public Hospital District No. 3 | Whitman County Public Hospital District No 3 | Hospital District |
| 1613 | 0601 | Whitman County Rosalia Park and Recreation District No. 5 | Whitman County Rosalia Park and Recreation District No 5 | Park and Recreation District |
| 1614 | 0521 | Whitman County Saint John Park and Recreation District No. 3 | Whitman County Saint John Park and Recreation District No. 3 | Park and Recreation District |
| 1615 | 0603 | Whitman County Tekoa Park and Recreation District No. 6 | Whitman County Tekoa Park and Recreation District No 6 | Park and Recreation District |
| 2149 | 2817 | Whitman County Water Conservation Board | Whitman County Water Conservation Board | Water Conservation Board |
| 1701 | 1766 | Port of Whitman County | Whitman County, Port of | Port District (Includes Airports) |
| 1537 | 1647 | Whitman Rural Library District | Whitman Rural Library District | Library District |
| 2336 | 1153 | Whitman's Cove Water District | Whitmans Cove Water District | Water/Sewer District |
| 2337 | 2316 | Whitworth Water District No. 2 | Whitworth Water District No 2 | Water/Sewer District |
| 2084 | 1964 | Wilbur School District No. 200 | Wilbur School District No 200 | School Districts |
| 491 | 0518 | Town of Wilbur | Wilbur, Town of | City/Town |
| 492 | 0622 | Town of Wilkeson | Wilkeson, Town of | City/Town |
| 1702 | 1749 | Port of Willapa Harbor | Willapa Harbor, Port of | Port District (Includes Airports) |
| 2085 | 1988 | Willapa Valley School District No. 160 | Willapa Valley School District No 160 | School Districts |
| 2338 | 2294 | Willapa Valley Water District | Willapa Valley Water District | Water/Sewer District |
| 2339 | 2671 | Williams Lake Sewer District No. 2 | Williams Lake Sewer District No 2 | Water/Sewer District |
| 221 | 0027 | Wilson Creek Cemetery District No. 2 | Wilson Creek Cemetery District No 2 | Cemetery District |
| 2086 | 1880 | Wilson Creek School District No. 167 | Wilson Creek School District No 167 | School Districts |
| 493 | 0329 | Town of Wilson Creek | Wilson Creek, Town of | City/Town |
| 527 | S534 | Washington State Wine Commission | Wine Commission, Washington State | Commodity Commissions |
| 2087 | 1953 | Winlock School District No. 232 | Winlock School District No 232 | School Districts |
| 494 | 0502 | City of Winlock | Winlock, City of | City/Town |
| 495 | 0545 | Town of Winthrop | Winthrop, Town of | City/Town |
| 2088 | 1892 | Wishkah Valley School District No. 117 | Wishkah Valley School District No 117 | School Districts |
| 2089 | 1935 | Wishram School District No. 94 | Wishram School District No 94 | School Districts |
| 1488 | 1590 | Wolf Creek Irrigation District | Wolf Creek Irrigation District | Irrigation and Reclamation District |
| 2340 | 1154 | Wollochet Harbor Sewer District | Wollochet Harbor Sewer District | Water/Sewer District |
| 1239 | 2526 | Woodinville Fire and Life Safety District | Woodinville Fire and Life Safety District | Fire Protection District |
| 2341 | 2683 | Woodinville Water District | Woodinville Water District | Water/Sewer District |
| 496 | 0822 | City of Woodinville | Woodinville, City of | City/Town |
| 819 | 0653 | Port of Woodland Industrial Development Corporation | Woodland Industrial Development Corporation, Port of | Economic/Industrial Development |
| 2090 | 1852 | Woodland School District No. 404 | Woodland School District No 404 | School Districts |
| 497 | 0271 | City of Woodland | Woodland, City of | City/Town |
| 1703 | 1708 | Port of Woodland | Woodland, Port of | Port District (Includes Airports) |
| 498 | 0700 | Town of Woodway | Woodway, Town of | City/Town |
| 108 | S354 | Work Force Training and Education Coordinating Board | Work Force Training and Education Coordinating Board | Agency, Commission, or Board |
