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

Name: Counties in Washington by county house price index, 1990 = 100, 2017
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 2017, at 354.04 index. Clallam County had the lowest, at 253.15 index. The median was 291.74 index. Source: the Federal Housing Finance Agency.

Highest354.04Kittitas County

Lowest253.15Clallam County

Median291.7429 counties

All counties, 2017

CSV Chart (SVG)

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

Full ranking

Rank	Counties	2017 index	Change on 2016
1	Kittitas County	354.04	+30.91
2	Walla Walla County	352.45	+20.86
3	King County	346.93	+39.13
4	Chelan County	336.05	+28.63
5	Clark County	331.81	+29.51
6	Douglas County	324.34	+28.04
7	Whatcom County	321.68	+32.16
8	Asotin County	314.41	+10.52
9	Lewis County	307.42	+33.97
10	Pierce County	301.5	+31.26
11	Kitsap County	299.47	+27.53
12	Thurston County	296.38	+26.08
13	Mason County	294.86	+32.24
14	Jefferson County	292.57	+22.9
15	Snohomish County	291.74	+31.65
16	Skagit County	290.38	+27.33
17	Okanogan County	289.26	+21.15
18	Adams County	286.83	+14.33
19	Cowlitz County	286.25	+24.28
20	Island County	286.03	+25.31
21	Stevens County	284.28	+15.1
22	Whitman County	279.38	+11.94
23	Spokane County	276.61	+23.22
24	Franklin County	274.62	+23
25	Grays Harbor County	267.93	+23.14
26	Grant County	266.71	+12.07
27	Yakima County	264.15	+18.02
28	Benton County	256.67	+22.73
29	Clallam County	253.15	+23.37

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 354.04 index in 2017, according to the Federal Housing Finance Agency.

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

Clallam County, with 253.15 index in 2017.

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.