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

Name: Counties in Montana by county house price index, 1990 = 100, 2017
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 2017, at 428 index. Cascade County had the lowest, at 252.62 index. The median was 322.34 index. Source: the Federal Housing Finance Agency.

Highest428Gallatin County

Lowest252.62Cascade County

Median322.347 counties

All counties, 2017

CSV Chart (SVG)

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

Full ranking

Rank	Counties	2017 index	Change on 2016
1	Gallatin County	428	+39.15
2	Missoula County	369.68	+21.26
3	Lewis and Clark County	329.38	+11.53
4	Flathead County	322.34	+27.46
5	Yellowstone County	312.59	+10.95
6	Hill County	289.46	+12.16
7	Cascade County	252.62	+10.03

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 428 index in 2017, according to the Federal Housing Finance Agency.

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

Cascade County, with 252.62 index in 2017.

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.