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

Name: Counties in Washington by county house price index, 1990 = 100, 2021
Creator: Federal Housing Finance Agency
License: Public domain (US government work); citation requested

Walla Walla County had the highest county house price index, 1990 = 100 of 29 counties in 2021, at 507.1 index. Clallam County had the lowest, at 365.57 index. The median was 432.17 index. Source: the Federal Housing Finance Agency.

Highest507.1Walla Walla County

Lowest365.57Clallam County

Median432.1729 counties

All counties, 2021

CSV Chart (SVG)

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

Full ranking

Rank	Counties	2021 index	Change on 2020
1	Walla Walla County	507.1	+77.86
2	Kittitas County	504.31	+70.87
3	Lewis County	475.09	+71.12
4	Chelan County	473.85	+62.19
5	Douglas County	456.82	+58.84
6	Whatcom County	454.46	+58.03
7	Pierce County	453.24	+64.94
8	Clark County	450.21	+57.5
9	Mason County	448.08	+66.6
10	King County	443.81	+44.88
11	Spokane County	443.48	+75.39
12	Grays Harbor County	436.67	+74.12
13	Thurston County	435.46	+60.39
14	Asotin County	435.26	+57.94
15	Kitsap County	432.17	+56.75
16	Cowlitz County	429.14	+61.66
17	Adams County	419.32	+48.91
18	Skagit County	417.94	+52.97
19	Stevens County	416.9	+61.02
20	Jefferson County	411.7	+53.68
21	Snohomish County	409.34	+57.05
22	Franklin County	402.83	+52.16
23	Island County	391.57	+47.53
24	Whitman County	390.71	+48.66
25	Okanogan County	390.21	+53.69
26	Grant County	388.81	+59.34
27	Yakima County	378.82	+45.38
28	Benton County	369.47	+45.4
29	Clallam County	365.57	+52.91

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?

Walla Walla County, with 507.1 index in 2021, according to the Federal Housing Finance Agency.

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

Clallam County, with 365.57 index in 2021.

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.