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

County house price index, 1990 = 100 in Cook County was 290.42 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-17031`
- 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/cook-county-illinois
- CSV: https://invokely.ai/download/county-house-price-index-1990/cook-county-illinois.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-17031

| Period | index |
|---|---:|
| 2025 | 290.42 |
| 2024 | 275.22 |
| 2023 | 258.59 |
| 2022 | 244.66 |
| 2021 | 219.79 |
| 2020 | 205.06 |
| 2019 | 203.26 |
| 2018 | 197.88 |
| 2017 | 193.11 |
| 2016 | 187.09 |
| 2015 | 180.08 |
| 2014 | 173.27 |
| 2013 | 163.64 |
| 2012 | 161.9 |
| 2011 | 168.39 |
| 2010 | 180.39 |
| 2009 | 198.18 |
| 2008 | 224.61 |
| 2007 | 237.21 |
| 2006 | 234.14 |
| 2005 | 217.09 |
| 2004 | 194.08 |
| 2003 | 176.61 |
| 2002 | 168.6 |
| 2001 | 157.64 |
| 2000 | 147 |
| 1999 | 134.09 |
| 1998 | 128.22 |
| 1997 | 125.02 |
| 1996 | 121.07 |
| 1995 | 117.58 |
| 1994 | 113.2 |
| 1993 | 109.99 |
| 1992 | 106.77 |
| 1991 | 103.63 |
| 1990 | 100 |
| 1989 | 94.93 |
| 1988 | 87.18 |
| 1987 | 77.68 |
| 1986 | 70.8 |
| 1985 | 66.52 |
| 1984 | 63.64 |
| 1983 | 59.72 |
| 1982 | 49.53 |
| 1981 | 56.83 |
| 1980 | 53.07 |
| 1979 | 54.09 |
| 1978 | 52.37 |
| 1977 | 44.79 |
| 1976 | 38.32 |
| 1975 | 34.44 |