# County house price index, 1990 = 100 in District of Columbia

County house price index, 1990 = 100 in District of Columbia was 510.48 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-11001`
- 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/district-of-columbia-district-of-columbia
- CSV: https://invokely.ai/download/county-house-price-index-1990/district-of-columbia-district-of-columbia.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-11001

| Period | index |
|---|---:|
| 2025 | 510.48 |
| 2024 | 508.42 |
| 2023 | 506.35 |
| 2022 | 521.15 |
| 2021 | 484.79 |
| 2020 | 453.5 |
| 2019 | 444.22 |
| 2018 | 427.78 |
| 2017 | 408.11 |
| 2016 | 388.81 |
| 2015 | 364.36 |
| 2014 | 344.85 |
| 2013 | 315.71 |
| 2012 | 295.02 |
| 2011 | 285.96 |
| 2010 | 283.04 |
| 2009 | 283.07 |
| 2008 | 299.81 |
| 2007 | 318.16 |
| 2006 | 309.95 |
| 2005 | 276.91 |
| 2004 | 221.68 |
| 2003 | 187.46 |
| 2002 | 169.78 |
| 2001 | 148.91 |
| 2000 | 128.14 |
| 1999 | 111.4 |
| 1998 | 104.04 |
| 1997 | 99.18 |
| 1996 | 99.71 |
| 1995 | 97.52 |
| 1994 | 99.74 |
| 1993 | 100.92 |
| 1992 | 102.25 |
| 1991 | 100.57 |
| 1990 | 100 |
| 1989 | 96.6 |
| 1988 | 85.71 |
| 1987 | 72.16 |
| 1986 | 64.48 |
| 1985 | 59.3 |
| 1984 | 55.97 |
| 1983 | 52.38 |
| 1982 | 45.97 |
| 1981 | 51.73 |
| 1980 | 52.31 |
| 1979 | 47.95 |
| 1978 | 40.88 |
| 1977 | 34.22 |
| 1976 | 29.54 |
| 1975 | 25.89 |
