| Table ID No. | MCAG | Legal Name | Entity Name | Government Description |
| 499 | 0254 | Town of Yacolt | Yacolt, Town of | City/Town |
| 1704 | 0436 | Yakima Air Terminal | Yakima Air Terminal | Port District (Includes Airports) |
| 654 | 0181 | Yakima County | Yakima County | County |
| 767 | 1017 | Yakima County Dike District No. 1 | Yakima County Dike District No 1 | Diking/Drainage District |
| 768 | 1018 | Yakima County Dike District No. 3 | Yakima County Dike District No 3 | Diking/Drainage District |
| 769 | 1019 | Yakima County Dike District No. 4 | Yakima County Dike District No 4 | Diking/Drainage District |
| 770 | 1020 | Yakima County Dike District No. 5 | Yakima County Dike District No 5 | Diking/Drainage District |
| 771 | 0216 | Yakima County Drain District No. 11 | Yakima County Drain District No 11 | Diking/Drainage District |
| 772 | 0217 | Yakima County Drain District No. 12 | Yakima County Drain District No 12 | Diking/Drainage District |
| 773 | 0219 | Yakima County Drain District No. 13 | Yakima County Drain District No 13 | Diking/Drainage District |
| 774 | 0223 | Yakima County Drain District No. 16 | Yakima County Drain District No 16 | Diking/Drainage District |
| 775 | 0231 | Yakima County Drain District No. 22 | Yakima County Drain District No 22 | Diking/Drainage District |
| 776 | 0232 | Yakima County Drain District No. 24 | Yakima County Drain District No 24 | Diking/Drainage District |
| 777 | 0237 | Yakima County Drain District No. 28 | Yakima County Drain District No 28 | Diking/Drainage District |
| 778 | 0239 | Yakima County Drain District No. 29 | Yakima County Drain District No 29 | Diking/Drainage District |
| 779 | 0244 | Yakima County Drain District No. 33 | Yakima County Drain District No 33 | Diking/Drainage District |
| 780 | 0246 | Yakima County Drain District No. 34 | Yakima County Drain District No 34 | Diking/Drainage District |
| 781 | 0249 | Yakima County Drain District No. 38 | Yakima County Drain District No 38 | Diking/Drainage District |
| 782 | 0250 | Yakima County Drain District No. 39 | Yakima County Drain District No 39 | Diking/Drainage District |
| 783 | 0210 | Yakima County Drain District No. 4 | Yakima County Drain District No 4 | Diking/Drainage District |
| 784 | 0252 | Yakima County Drain District No. 40 | Yakima County Drain District No 40 | Diking/Drainage District |
| 785 | 0253 | Yakima County Drain District No. 41 | Yakima County Drain District No 41 | Diking/Drainage District |
| 786 | 0257 | Yakima County Drain District No. 43 | Yakima County Drain District No 43 | Diking/Drainage District |
| 787 | 0259 | Yakima County Drain District No. 44 | Yakima County Drain District No 44 | Diking/Drainage District |
| 788 | 0261 | Yakima County Drain District No. 46 | Yakima County Drain District No 46 | Diking/Drainage District |
| 789 | 0263 | Yakima County Drain District No. 48 | Yakima County Drain District No 48 | Diking/Drainage District |
| 790 | 0213 | Yakima County Drain District No. 7 | Yakima County Drain District No 7 | Diking/Drainage District |
| 1240 | 1404 | Yakima County Fire Protection District No. 1 | Yakima County Fire Protection District No 1 | Fire Protection District |
| 1241 | 2625 | Yakima County Fire Protection District No. 10 | Yakima County Fire Protection District No 10 | Fire Protection District |
| 1242 | 2626 | Yakima County Fire Protection District No. 11 | Yakima County Fire Protection District No 11 | Fire Protection District |
| 1243 | 2627 | Yakima County Fire Protection District No. 12 | Yakima County Fire Protection District No 12 | Fire Protection District |
| 1244 | 2629 | Yakima County Fire Protection District No. 14 | Yakima County Fire Protection District No 14 | Fire Protection District |
| 1245 | 1405 | Yakima County Fire Protection District No. 2 | Yakima County Fire Protection District No 2 | Fire Protection District |
| 1246 | 1406 | Yakima County Fire Protection District No. 3 | Yakima County Fire Protection District No 3 | Fire Protection District |
| 1247 | 1407 | Yakima County Fire Protection District No. 4 | Yakima County Fire Protection District No 4 | Fire Protection District |
| 1248 | 1408 | Yakima County Fire Protection District No. 5 | Yakima County Fire Protection District No 5 | Fire Protection District |
| 1249 | 1409 | Yakima County Fire Protection District No. 6 | Yakima County Fire Protection District No 6 | Fire Protection District |
| 1250 | 1410 | Yakima County Fire Protection District No. 7 | Yakima County Fire Protection District No 7 | Fire Protection District |
| 1251 | 1411 | Yakima County Fire Protection District No. 9 | Yakima County Fire Protection District No 9 | Fire Protection District |
| 1285 | 1450 | Yakima County Health District | Yakima County Health District | Health District |
| 1570 | 2660 | Yakima County Mosquito Control District No. 1 | Yakima County Mosquito Control District No 1 | Mosquito Control District |
| 2150 | 2818 | Yakima County Water Conservation Board | Yakima County Water Conservation Board | Water Conservation Board |
| 1383 | 2639 | Housing Authority of the City of Yakima | Yakima Housing Authority | Housing Authority |
| 1538 | 0925 | Yakima Law Library | Yakima Law Library | Library District |
| 115 | 1028 | Yakima Regional Clean Air Authority | Yakima Regional Clean Air Authority | Air Pollution District |
| 1489 | 1630 | Yakima Reservation Irrigation District | Yakima Reservation Irrigation District | Irrigation and Reclamation District |
| 2091 | 2106 | Yakima School District No. 7 | Yakima School District No 7 | School Districts |
| 559 | S691 | Yakima Valley Community College | Yakima Valley Community College | Community or Technical College |
| 615 | 2485 | Yakima Valley Conference of Governments | Yakima Valley Conference of Governments | Council of Govt's/Conference of Govt's |
| 1539 | 1648 | Yakima Valley Regional Library | Yakima Valley Regional Library | Library District |
| 500 | 0857 | City of Yakima | Yakima, City of | City/Town |
| 1490 | 1631 | Yakima-Tieton Irrigation District | Yakima-Tieton Irrigation District | Irrigation and Reclamation District |
| 501 | 0450 | Town of Yarrow Point | Yarrow Point, Town of | City/Town |
| 2092 | 2066 | Yelm Community School District No. 2 | Yelm Community School District No 2 | School Districts |
| 1252 | 1345 | Yelm Fire District No. 2 | Yelm Fire District No. 2 | Fire Protection District |
| 502 | 0762 | City of Yelm | Yelm, City of | City/Town |
