The top-ranked counties in Washington on the Boom Town Index — where economic growth outpaces housing prices.
| # | County | BTI Score | Proj. Growth |
|---|---|---|---|
| 01 | Skagit County WA | 56 | +0.9% |
| 02 | Snohomish County WA | 55 | +0.9% |
| 03 | Whatcom County WA | 52 | +0.8% |
| 04 | Yakima County WA | 45 | +0.5% |
| 05 | Island County WA | 43 | +0.5% |
| 06 | Cowlitz County WA | 38 | +0.3% |
| 07 | Franklin County WA | 35 | +0.2% |
| 08 | Mason County WA | 34 | +0.2% |
| 09 | Benton County WA | 33 | +0.2% |
| 10 | Pierce County WA | 32 | +0.1% |
| 11 | Thurston County WA | 32 | +0.1% |
| 12 | Clark County WA | 27 | -0.1% |
| 13 | Kitsap County WA | 27 | -0.1% |
| 14 | Spokane County WA | 26 | -0.2% |
| 15 | King County WA | 21 | -0.5% |
| 16 | Grays Harbor County WA | 20 | -0.5% |
| 17 | Clallam County WA | 18 | -0.7% |
| 18 | Walla Walla County WA | 16 | -0.9% |
| 19 | Lewis County WA | 14 | -1.1% |
| 20 | Grant County WA | 12 | -1.4% |
| 21 | Chelan County WA | 9 | -1.8% |