Counties in California by county house price index, 1990 = 100, 2025
Mono County had the highest county house price index, 1990 = 100 of 54 counties in 2025, at 489.5 index. Lassen County had the lowest, at 285.15 index. The median was 380.37 index. Source: the Federal Housing Finance Agency.
All counties, 2025
Full ranking
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 California 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":"California","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=house_price_index_us_county_annual_1990&level=province&within=California&limit=10Questions
Which county has the highest county house price index, 1990 = 100?
Mono County, with 489.5 index in 2025, according to the Federal Housing Finance Agency.
Which county has the lowest county house price index, 1990 = 100?
Lassen County, with 285.15 index in 2025.
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
- US counties
- Counties in Texas
- Counties in Ohio
- Counties in Virginia
- Counties in Michigan
- Counties in Georgia
- Counties in North Carolina
- Counties in Illinois
- Counties in Indiana
- Counties in New York
- Counties in Wisconsin
- Counties in Minnesota
Counties in California: more rankings
- Asian population share
- Bachelor's degree or higher, population 25 and over
- Live births, July to June
- Black or African American population share
- Housing units authorized by building permits
- Crude birth rate, July to June
- Crude death rate, July to June
- Deaths, July to June
- Foreign-born population share
- Real GDP growth
- GDP per capita, US dollars
- Gross domestic product (GDP), US dollars
- Gini index
- Hispanic or Latino population share
- Homeownership rate (US, housing units)
- County house price annual change, sales and refinances