Counties in Washington by county house price index, 1990 = 100

Name: Counties in Washington by county house price index, 1990 = 100, 2024
Creator: Federal Housing Finance Agency
License: Public domain (US government work); citation requested

Kittitas County had the highest county house price index, 1990 = 100 of 29 counties in 2024, at 622.92 index. Benton County had the lowest, at 457.79 index. The median was 541.2 index. Source: the Federal Housing Finance Agency.

Highest622.92Kittitas County

Lowest457.79Benton County

Median541.229 counties

All counties, 2024

CSV Chart (SVG)

index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

Rank	Counties	2024 index	Change on 2023
1	Kittitas County	622.92	+16.6
2	Walla Walla County	615.7	+6.01
3	Lewis County	595.77	+27.94
4	Chelan County	595.09	+17.29
5	Whatcom County	582.05	+40.53
6	Douglas County	568.73	+23.56
7	Adams County	568.31	+11.55
8	Mason County	562.46	+27.47
9	Asotin County	551.86	+24.12
10	Pierce County	549.33	+21.69
11	Clark County	548.55	+13.23
12	Grays Harbor County	547.3	+17.04
13	Stevens County	546.84	+37.43
14	Thurston County	543.69	+23.97
15	Spokane County	541.2	+11.82
16	King County	539.79	+24.99
17	Skagit County	535.57	+22.73
18	Okanogan County	533.89	+52.35
19	Jefferson County	529.63	+25.51
20	Snohomish County	524.29	+31.8
21	Kitsap County	515.85	+17.04
22	Cowlitz County	508.14	+14.48
23	Grant County	504.34	+13.23
24	Island County	500.63	+17.11
25	Franklin County	496.57	+11.97
26	Whitman County	486.1	-0.67
27	Clallam County	470.74	+25.66
28	Yakima County	466.61	+17.66
29	Benton County	457.79	+11.15

Other periods

About this ranking

Annual FHFA all-transactions index of single-family house prices in US counties, with 1990 equal to 100.

Developmental nominal index, not seasonally adjusted. Uses sale prices and refinance appraisals for mortgages purchased or guaranteed by Fannie Mae or Freddie Mac. Differs from purchase-only indexes. Missing estimates and unavailable base-year values remain absent. Historical estimates can be revised.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

Federal Housing Finance Agency (FHFA). FHFA developmental all-transactions county house price index, annual, nominal, not seasonally adjusted, 1990 = 100. https://www.fhfa.gov/hpi/download/annual/hpi_at_county.xlsx. Retrieved 2026-10-10.

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Rank Counties in Washington by county house price index, 1990 = 100 using official data, and cite the source.

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Questions

Which county has the highest county house price index, 1990 = 100?

Kittitas County, with 622.92 index in 2024, according to the Federal Housing Finance Agency.

Which county has the lowest county house price index, 1990 = 100?

Benton County, with 457.79 index in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Federal Housing Finance Agency, FHFA developmental all-transactions county house price index, annual, nominal, not seasonally adjusted, 1990 = 100. Retrieved 2026-10-10.