| 201514avg: $39,062median: $43,667 | First Place Charter | 2015 |
14
| $39,062 | $43,667 | View Details |
| 201513avg: $75,510median: $76,625 | Water And Sewer District No. 1 Of Olympic View | 2015 |
13
| $75,510 | $76,625 | View Details |
| 20159avg: $39,750median: $55,248 | Water District No. 19 Of King County | 2015 |
9
| $39,750 | $55,248 | View Details |
| 20158avg: $72,448median: $72,241 | Water District No. 49 Of King County | 2015 |
8
| $72,448 | $72,241 | View Details |
| 20156avg: $2,213median: $600 | Water District #4 Of Kittitas County | 2015 |
6
| $2,213 | $600 | View Details |
| 20156avg: $4,463median: $1,600 | Water District No. 3 Of Maggie Lake | 2015 |
6
| $4,463 | $1,600 | View Details |
| 20156avg: $7,475median: $1,646 | Water District Of Peshastin | 2015 |
6
| $7,475 | $1,646 | View Details |
| 20156avg: $21,926median: $10,614 | Conservation District Of Palouse-rock Lake | 2015 |
6
| $21,926 | $10,614 | View Details |
| 20155avg: $4,502median: $4,500 | Water District 2 Of Trails End | 2015 |
5
| $4,502 | $4,500 | View Details |
| 20155avg: $34,835median: $31,453 | Water District No. 1 Of East Spokane | 2015 |
5
| $34,835 | $31,453 | View Details |
| 20155avg: $48,168median: $41,022 | Water District Of Willapa Valley | 2015 |
5
| $48,168 | $41,022 | View Details |
| 20154avg: $50,728median: $62,751 | Water District No. 6 Of Irvin | 2015 |
4
| $50,728 | $62,751 | View Details |
| 20154avg: $62,896median: $61,366 | Transportation Council Of Chelan-douglas | 2015 |
4
| $62,896 | $61,366 | View Details |
| 20154avg: $28,082median: $21,737 | Water District Of Columbia Valley | 2015 |
4
| $28,082 | $21,737 | View Details |
| 20154avg: $3,102median: $2,013 | Water And Sewer District Of Curlew | 2015 |
4
| $3,102 | $2,013 | View Details |
| 20153avg: $43,592median: $37,536 | Water District No. 4 Of Point Roberts | 2015 |
3
| $43,592 | $37,536 | View Details |
| 20153avg: $2,850median: $2,964 | Water-sewer District Of Hartstene Point | 2015 |
3
| $2,850 | $2,964 | View Details |
| 20153avg: $1,330median: $1,368 | Water And Sewer District Of Skamokawa | 2015 |
3
| $1,330 | $1,368 | View Details |
| 20153avg: $2,059median: $2,160 | Water District Of Tahuya River Valley | 2015 |
3
| $2,059 | $2,160 | View Details |
| 20152avg: $2,138median: $2,138 | Water District No. 1 Of Lewis County | 2015 |
2
| $2,138 | $2,138 | View Details |
