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

Name: Counties in Washington by county house price index, 1990 = 100, 2019
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 2019, at 416.09 index. Clallam County had the lowest, at 300.35 index. The median was 344.77 index. Source: the Federal Housing Finance Agency.

Highest416.09Kittitas County

Lowest300.35Clallam County

Median344.7729 counties

All counties, 2019

CSV Chart (SVG)

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

Full ranking

Rank	Counties	2019 index	Change on 2018
1	Kittitas County	416.09	+25.07
2	Walla Walla County	412.07	+36.09
3	Chelan County	391.92	+26.28
4	King County	385.51	+6.77
5	Douglas County	383.78	+30.49
6	Whatcom County	378.39	+26.06
7	Clark County	376.5	+18.19
8	Lewis County	375.32	+36
9	Pierce County	361.62	+25.99
10	Asotin County	358.07	+14.49
11	Mason County	356.69	+29.71
12	Kitsap County	354.42	+22.93
13	Thurston County	349.86	+23.12
14	Cowlitz County	347.36	+29.9
15	Skagit County	344.77	+24.29
16	Spokane County	342.91	+34.63
17	Jefferson County	340.28	+22.01
18	Adams County	338.88	+24.46
19	Grays Harbor County	335.46	+33.76
20	Snohomish County	335.41	+14.09
21	Stevens County	332.04	+27.18
22	Franklin County	328.88	+24.32
23	Island County	326.24	+16.81
24	Whitman County	324.75	+22.6
25	Okanogan County	315.94	+17.27
26	Yakima County	313.94	+22.42
27	Grant County	309.82	+21.76
28	Benton County	306.77	+28.03
29	Clallam County	300.35	+21.88

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 416.09 index in 2019, according to the Federal Housing Finance Agency.

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

Clallam County, with 300.35 index in 2019.

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.