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

Gallatin County had the highest county house price index, 1990 = 100 of 7 counties in 2018, at 468.43 index. Cascade County had the lowest, at 264.2 index. The median was 345.74 index. Source: the Federal Housing Finance Agency.

Highest468.43Gallatin County
Lowest264.2Cascade County
Median345.747 counties

All counties, 2018

CSVChart (SVG)

Gallatin CountyGallatin County: 468.43 index468.43Missoula CountyMissoula County: 392.71 index392.71Lewis and Clark CountyLewis and Clark County: 348.76 index348.76Flathead CountyFlathead County: 345.74 index345.74Yellowstone CountyYellowstone County: 319.69 index319.69Hill CountyHill County: 296.2 index296.2Cascade CountyCascade County: 264.2 index264.2
index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

RankCounties2018
index
Change on 2017
1Gallatin County468.43+40.43
2Missoula County392.71+23.03
3Lewis and Clark County348.76+19.38
4Flathead County345.74+23.4
5Yellowstone County319.69+7.1
6Hill County296.2+6.74
7Cascade County264.2+11.58

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 Montana 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?

Gallatin County, with 468.43 index in 2018, according to the Federal Housing Finance Agency.

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

Cascade County, with 264.2 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 Montana: more rankings