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

County house price index, 1990 = 100 in Winnebago County was 373.04 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-55139`
- 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/winnebago-county-wisconsin
- CSV: https://invokely.ai/download/county-house-price-index-1990/winnebago-county-wisconsin.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-55139

| Period | index |
|---|---:|
| 2025 | 373.04 |
| 2024 | 350.91 |
| 2023 | 324.06 |
| 2022 | 292.41 |
| 2021 | 252.57 |
| 2020 | 228.15 |
| 2019 | 221.36 |
| 2018 | 210.27 |
| 2017 | 198.9 |
| 2016 | 187.47 |
| 2015 | 181.98 |
| 2014 | 178.1 |
| 2013 | 177.32 |
| 2012 | 178.11 |
| 2011 | 179.26 |
| 2010 | 183.56 |
| 2009 | 187.87 |
| 2008 | 192.98 |
| 2007 | 194.54 |
| 2006 | 191.8 |
| 2005 | 186.63 |
| 2004 | 178.42 |
| 2003 | 170.27 |
| 2002 | 165.97 |
| 2001 | 160.46 |
| 2000 | 152.73 |
| 1999 | 145.05 |
| 1998 | 139.82 |
| 1997 | 136.61 |
| 1996 | 130.73 |
| 1995 | 127.4 |
| 1994 | 119.57 |
| 1993 | 112.92 |
| 1992 | 107.75 |
| 1991 | 104.74 |
| 1990 | 100 |
| 1989 | 97 |
| 1988 | 94.55 |
| 1987 | 89.99 |
| 1986 | 88.35 |
| 1985 | 85.94 |
| 1984 | 83.79 |
| 1983 | 80.04 |
| 1982 | 80.48 |
| 1981 | 75.32 |
| 1980 | 81.68 |
| 1979 | 75.59 |
| 1978 | 63.13 |
| 1977 | 56.57 |
| 1976 | 50.52 |