county benchmark · Washington
Median household income, 2017-2021
Across 39 counties in Washington. Every rank carries its margin of error.
Distribution
| Percentile | Value |
|---|---|
| 10th percentile | $53,290 |
| 25th | $57,822 |
| Median | $64,079 |
| 75th | $73,880 |
| 90th percentile | $82,603 |
Highest counties
King County leads reliably only from rank 2 downwards. Its estimate range overlaps those of the ranks above 2, which therefore cannot be separated from it at 90 % confidence.
| Rank | County | Estimate | Range (90 %) | Source |
|---|---|---|---|---|
| 1 | King County | $106,326 | $105,593 – $107,059 | evidence → |
| 2 | Snohomish County | $95,618 | $94,287 – $96,949 | evidence → |
| 3 | Kitsap County | $84,600 | $82,379 – $86,821 | evidence → |
| 4 | Clark County | $82,719 | $81,439 – $83,999 | evidence → |
| 5 | Pierce County | $82,574 | $81,534 – $83,614 | evidence → |
| 6 | Thurston County | $81,501 | $79,931 – $83,071 | evidence → |
| 7 | Benton County | $76,612 | $74,750 – $78,474 | evidence → |
| 8 | Island County | $75,628 | $73,382 – $77,874 | evidence → |
| 9 | Skamania County | $75,565 | $70,845 – $80,285 | evidence → |
| 10 | Skagit County | $75,308 | $73,565 – $77,051 | evidence → |
| 11 | Franklin County | $72,452 | $68,570 – $76,334 | evidence → |
| 12 | Whatcom County | $70,011 | $67,823 – $72,199 | evidence → |
| 13 | Douglas County | $68,979 | $65,677 – $72,281 | evidence → |
| 14 | San Juan County | $68,577 | $66,582 – $70,572 | evidence → |
| 15 | Mason County | $66,325 | $61,198 – $71,452 | evidence → |
| 16 | Chelan County | $64,895 | $61,343 – $68,447 | evidence → |
| 17 | Columbia County | $64,688 | $54,999 – $74,377 | evidence → |
| 18 | Cowlitz County | $64,506 | $61,811 – $67,201 | evidence → |
| 19 | Kittitas County | $64,134 | $60,253 – $68,015 | evidence → |
| 20 | Spokane County | $64,079 | $62,920 – $65,238 | evidence → |
Machine access — free, no API key
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