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

Name: Counties in Washington by county house price index, 1990 = 100, 2015
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 2015, at 310.4 index. Clallam County had the lowest, at 211.3 index. The median was 247.22 index. Source: the Federal Housing Finance Agency.

Highest310.4Walla Walla County

Lowest211.3Clallam County

Median247.2229 counties

All counties, 2015

CSV Chart (SVG)

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

Full ranking

Rank	Counties	2015 index	Change on 2014
1	Walla Walla County	310.4	+11.96
2	Kittitas County	302	+12.24
3	Asotin County	293.71	+6.2
4	Chelan County	288.71	+19.28
5	Douglas County	278.86	+16.43
6	King County	271.52	+20.44
7	Clark County	269.95	+22.11
8	Whatcom County	269.34	+13.48
9	Whitman County	263.17	+12.11
10	Adams County	259.44	+8.8
11	Okanogan County	258.42	+6.24
12	Stevens County	252.56	+1.71
13	Thurston County	251.7	+13.66
14	Lewis County	250.37	+14.47
15	Kitsap County	247.22	+19.76
16	Mason County	245.94	+14.76
17	Pierce County	243.21	+18.29
18	Grant County	242.46	+9.29
19	Jefferson County	241.72	+13.64
20	Skagit County	240.55	+19.08
21	Cowlitz County	238.58	+17.72
22	Island County	235.91	+14.83
23	Spokane County	235.74	+11.7
24	Franklin County	235.69	+10.66
25	Yakima County	235.56	+8.78
26	Snohomish County	233.04	+16.26
27	Grays Harbor County	229.08	+13.28
28	Benton County	217.42	+10.95
29	Clallam County	211.3	+10.68

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 310.4 index in 2015, according to the Federal Housing Finance Agency.

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

Clallam County, with 211.3 index in 2015.

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.