# County house price index, 1990 = 100 in Montgomery County

County house price index, 1990 = 100 in Montgomery County was 328.89 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-24031`
- Unit: index
- Definition: Annual FHFA all-transactions index of single-family house prices in US counties, with 1990 equal to 100.
- Note: 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.
- Source: Federal Housing Finance Agency, 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
- License: Public domain (US government work); citation requested
- Citation: 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.
- Web page: https://invokely.ai/en/county-house-price-index-1990/montgomery-county-maryland
- CSV: https://invokely.ai/download/county-house-price-index-1990/montgomery-county-maryland.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-24031

| Period | index |
|---|---:|
| 2025 | 328.89 |
| 2024 | 324.59 |
| 2023 | 308.34 |
| 2022 | 291.42 |
| 2021 | 264.62 |
| 2020 | 243.46 |
| 2019 | 240.08 |
| 2018 | 234.84 |
| 2017 | 229.65 |
| 2016 | 224.1 |
| 2015 | 218.66 |
| 2014 | 216.41 |
| 2013 | 208.26 |
| 2012 | 201.59 |
| 2011 | 202.45 |
| 2010 | 205.68 |
| 2009 | 208.4 |
| 2008 | 227.65 |
| 2007 | 247.88 |
| 2006 | 251.8 |
| 2005 | 228.6 |
| 2004 | 185.07 |
| 2003 | 158.45 |
| 2002 | 145.93 |
| 2001 | 128.77 |
| 2000 | 115.29 |
| 1999 | 104.76 |
| 1998 | 100.99 |
| 1997 | 98.78 |
| 1996 | 98.67 |
| 1995 | 98.4 |
| 1994 | 99.29 |
| 1993 | 100.07 |
| 1992 | 100.34 |
| 1991 | 99.9 |
| 1990 | 100 |
| 1989 | 97.59 |
| 1988 | 85.03 |
| 1987 | 71.02 |
| 1986 | 64.21 |
| 1985 | 60.37 |
| 1984 | 57.55 |
| 1983 | 54.03 |
| 1982 | 52.34 |
| 1981 | 55.14 |
| 1980 | 50.37 |
| 1979 | 45.15 |
| 1978 | 38.78 |
| 1977 | 33.37 |
| 1976 | 30.83 |
| 1975 | 28.26 |