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

County house price index, 1990 = 100 in Clinton County was 310.89 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-17027`
- 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/clinton-county-illinois
- CSV: https://invokely.ai/download/county-house-price-index-1990/clinton-county-illinois.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-17027

| Period | index |
|---|---:|
| 2025 | 310.89 |
| 2024 | 294.73 |
| 2023 | 275.44 |
| 2022 | 246.72 |
| 2021 | 223.47 |
| 2020 | 209.74 |
| 2019 | 209.93 |
| 2018 | 205.25 |
| 2017 | 200.76 |
| 2016 | 197.1 |
| 2015 | 197.89 |
| 2014 | 189.57 |
| 2013 | 194.25 |
| 2012 | 193.22 |
| 2011 | 195.34 |
| 2010 | 198.57 |
| 2009 | 199.69 |
| 2008 | 205.38 |
| 2007 | 204.14 |
| 2006 | 199.26 |
| 2005 | 189.1 |
| 2004 | 177.25 |
| 2003 | 171.94 |
| 2002 | 165.88 |
| 2001 | 160.29 |
| 2000 | 151.23 |
| 1999 | 146.53 |
| 1998 | 141.02 |
| 1997 | 135.53 |
| 1996 | 132.86 |
| 1995 | 124.46 |
| 1994 | 119.91 |
| 1993 | 115.27 |
| 1992 | 113.57 |
| 1991 | 109.63 |
| 1990 | 100 |
| 1989 | 109.37 |
| 1988 | 104.24 |
| 1987 | 101.08 |
| 1986 | 97.4 |