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

County house price index, 1990 = 100 in Adams County was 308.1 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-42001`
- 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/adams-county-pennsylvania
- CSV: https://invokely.ai/download/county-house-price-index-1990/adams-county-pennsylvania.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-42001

| Period | index |
|---|---:|
| 2025 | 308.1 |
| 2024 | 301.32 |
| 2023 | 277.67 |
| 2022 | 260.87 |
| 2021 | 231.13 |
| 2020 | 211.32 |
| 2019 | 204.92 |
| 2018 | 199.67 |
| 2017 | 191.82 |
| 2016 | 185.5 |
| 2015 | 180.7 |
| 2014 | 174.8 |
| 2013 | 175.89 |
| 2012 | 176.52 |
| 2011 | 184.04 |
| 2010 | 194.96 |
| 2009 | 204.41 |
| 2008 | 222.34 |
| 2007 | 223.84 |
| 2006 | 214.88 |
| 2005 | 191.69 |
| 2004 | 160.53 |
| 2003 | 143.64 |
| 2002 | 138.86 |
| 2001 | 132.81 |
| 2000 | 128.34 |
| 1999 | 122.56 |
| 1998 | 119.85 |
| 1997 | 116.72 |
| 1996 | 112.93 |
| 1995 | 112.17 |
| 1994 | 109.15 |
| 1993 | 107.75 |
| 1992 | 104.76 |
| 1991 | 103.61 |
| 1990 | 100 |
| 1989 | 95.73 |
| 1988 | 86.23 |
| 1987 | 75.3 |
| 1986 | 68.73 |
| 1985 | 64.17 |
| 1984 | 61.24 |
| 1983 | 57.8 |