Data / Rankings / County house price index, 1990 = 100 / Counties in Idaho

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

Kootenai County had the highest county house price index, 1990 = 100 of 13 counties in 2018, at 367.98 index. Power County had the lowest, at 233.12 index. The median was 310.75 index. Source: the Federal Housing Finance Agency.

Highest367.98Kootenai County
Lowest233.12Power County
Median310.7513 counties

All counties, 2018

CSVChart (SVG)

Kootenai CountyKootenai County: 367.98 index367.98Bonner CountyBonner County: 355.55 index355.55Blaine CountyBlaine County: 354.08 index354.08Ada CountyAda County: 332.29 index332.29Bingham CountyBingham County: 321.63 index321.63Canyon CountyCanyon County: 320.52 index320.52Nez Perce CountyNez Perce County: 310.75 index310.75Latah CountyLatah County: 286.06 index286.06Madison CountyMadison County: 281.97 index281.97Twin Falls CountyTwin Falls County: 268.67 index268.67Bannock CountyBannock County: 261.16 index261.16Bonneville CountyBonneville County: 233.76 index233.76Power CountyPower County: 233.12 index233.12
index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

RankCounties2018
index		Change on 2017
1Kootenai County367.98+41.59
2Bonner County355.55+39.28
3Blaine County354.08+26.15
4Ada County332.29+40.21
5Bingham County321.63+34.62
6Canyon County320.52+46.02
7Nez Perce County310.75+17.52
8Latah County286.06+21.15
9Madison County281.97+20.93
10Twin Falls County268.67+25.41
11Bannock County261.16+25.8
12Bonneville County233.76+22.89
13Power County233.12+9.31

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 Idaho 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?

Kootenai County, with 367.98 index in 2018, according to the Federal Housing Finance Agency.

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

Power County, with 233.12 index in 2018.

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.

County house price index, 1990 = 100: other rankings

Counties in Idaho: more rankings