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 2021, at 553.69 index. Power County had the lowest, at 350.11 index. The median was 419.33 index. Source: the Federal Housing Finance Agency.

Highest553.69Kootenai County
Lowest350.11Power County
Median419.3313 counties

All counties, 2021

CSVChart (SVG)

Kootenai CountyKootenai County: 553.69 index553.69Canyon CountyCanyon County: 519.3 index519.3Bonner CountyBonner County: 514.06 index514.06Ada CountyAda County: 506.93 index506.93Blaine CountyBlaine County: 482.14 index482.14Bingham CountyBingham County: 472.93 index472.93Nez Perce CountyNez Perce County: 419.33 index419.33Madison CountyMadison County: 397.12 index397.12Twin Falls CountyTwin Falls County: 389.17 index389.17Bannock CountyBannock County: 388.62 index388.62Latah CountyLatah County: 374.57 index374.57Bonneville CountyBonneville County: 358.64 index358.64Power CountyPower County: 350.11 index350.11
index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

RankCounties2021
index		Change on 2020
1Kootenai County553.69+108.35
2Canyon County519.3+111.34
3Bonner County514.06+83.91
4Ada County506.93+99.52
5Blaine County482.14+79.35
6Bingham County472.93+87.82
7Nez Perce County419.33+67.45
8Madison County397.12+65.51
9Twin Falls County389.17+72.36
10Bannock County388.62+74.32
11Latah County374.57+51.79
12Bonneville County358.64+67.53
13Power County350.11+70.5

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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Questions

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

Kootenai County, with 553.69 index in 2021, according to the Federal Housing Finance Agency.

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

Power County, with 350.11 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.

County house price index, 1990 = 100: other rankings

Counties in Idaho: more rankings