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 2015, at 358.73 index. Cascade County had the lowest, at 236.96 index. The median was 294.65 index. Source: the Federal Housing Finance Agency.

Highest358.73Gallatin County
Lowest236.96Cascade County
Median294.657 counties

All counties, 2015

CSVChart (SVG)

Gallatin CountyGallatin County: 358.73 index358.73Missoula CountyMissoula County: 332.25 index332.25Lewis and Clark CountyLewis and Clark County: 306.13 index306.13Yellowstone CountyYellowstone County: 294.65 index294.65Flathead CountyFlathead County: 281.07 index281.07Hill CountyHill County: 261.54 index261.54Cascade CountyCascade County: 236.96 index236.96
index. Source: FHFA. Retrieved 2026-10-10.

Full ranking

RankCounties2015
index
Change on 2014
1Gallatin County358.73+24.23
2Missoula County332.25+13.63
3Lewis and Clark County306.13+9.75
4Yellowstone County294.65+10.98
5Flathead County281.07+12.45
6Hill County261.54+3.38
7Cascade County236.96+4.83

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.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Counties in Montana by county house price index, 1990 = 100 using official data, and cite the source.
rank_places {"indicator":"house_price_index_us_county_annual_1990","level":"province","within":"Montana","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=house_price_index_us_county_annual_1990&level=province&within=Montana&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

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

Gallatin County, with 358.73 index in 2015, according to the Federal Housing Finance Agency.

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

Cascade County, with 236.96 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.

County house price index, 1990 = 100: other rankings

Counties in Montana: more rankings