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

County house price index, 1990 = 100 in Jefferson County was 299.98 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-36045`
- 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/jefferson-county-new-york
- CSV: https://invokely.ai/download/county-house-price-index-1990/jefferson-county-new-york.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-36045

| Period | index |
|---|---:|
| 2025 | 299.98 |
| 2024 | 288.45 |
| 2023 | 278.26 |
| 2022 | 263.74 |
| 2021 | 239.55 |
| 2020 | 223.5 |
| 2019 | 214.78 |
| 2018 | 208.36 |
| 2017 | 200.36 |
| 2016 | 204.04 |
| 2015 | 211.2 |
| 2014 | 203.95 |
| 2013 | 207.53 |
| 2012 | 207.67 |
| 2011 | 200.35 |
| 2010 | 206.88 |
| 2009 | 197.72 |
| 2008 | 198.17 |
| 2007 | 194.94 |
| 2006 | 184.08 |
| 2005 | 161.76 |
| 2004 | 135.63 |
| 2003 | 126.44 |
| 2002 | 121.57 |
| 2001 | 115.56 |
| 2000 | 112.04 |
| 1999 | 108.73 |
| 1998 | 109.12 |
| 1997 | 103.12 |
| 1996 | 102.92 |
| 1995 | 99.98 |
| 1994 | 103.7 |
| 1993 | 102.81 |
| 1992 | 101.7 |
| 1991 | 98.42 |
| 1990 | 100 |
| 1989 | 100.87 |
| 1988 | 104.26 |
| 1987 | 93.76 |
| 1986 | 77.56 |
| 1985 | 68.6 |