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

Name: Counties in Montana by county house price index, 1990 = 100, 2021
Creator: Federal Housing Finance Agency
License: Public domain (US government work); citation requested

Gallatin County had the highest county house price index, 1990 = 100 of 7 counties in 2021, at 631.61 index. Cascade County had the lowest, at 315.55 index. The median was 449.74 index. Source: the Federal Housing Finance Agency.

Highest631.61Gallatin County

Lowest315.55Cascade County

Median449.747 counties

All counties, 2021

CSV Chart (SVG)

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

Full ranking

Rank	Counties	2021 index	Change on 2020
1	Gallatin County	631.61	+107.94
2	Missoula County	519.4	+82.53
3	Flathead County	474.77	+85.67
4	Lewis and Clark County	449.74	+67.6
5	Yellowstone County	390.25	+46.96
6	Hill County	338.01	+14.74
7	Cascade County	315.55	+34.67

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 631.61 index in 2021, according to the Federal Housing Finance Agency.

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

Cascade County, with 315.55 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.