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

County house price index, 1990 = 100 in Franklin County was 311.83 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-17055`
- 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/franklin-county-illinois
- CSV: https://invokely.ai/download/county-house-price-index-1990/franklin-county-illinois.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-17055

| Period | index |
|---|---:|
| 2025 | 311.83 |
| 2024 | 310.44 |
| 2023 | 270.05 |
| 2022 | 269.39 |
| 2021 | 241.03 |
| 2020 | 221.48 |
| 2019 | 223.38 |
| 2018 | 211.12 |
| 2017 | 209.1 |
| 2016 | 197.95 |
| 2015 | 208.44 |
| 2014 | 200.01 |
| 2013 | 194.94 |
| 2012 | 197.55 |
| 2011 | 198.27 |
| 2010 | 197.58 |
| 2009 | 194.8 |
| 2008 | 190.47 |
| 2007 | 187.31 |
| 2006 | 183.11 |
| 2005 | 175.2 |
| 2004 | 165.23 |
| 2003 | 157.76 |
| 2002 | 152.6 |
| 2001 | 151.81 |
| 2000 | 143.91 |
| 1999 | 140.88 |
| 1998 | 135.87 |
| 1997 | 131.37 |
| 1996 | 131.11 |
| 1995 | 122.69 |
| 1994 | 122.19 |
| 1993 | 107.69 |
| 1992 | 103.65 |
| 1991 | 104.74 |
| 1990 | 100 |
| 1989 | 109.8 |
| 1988 | 108 |
| 1987 | 103.8 |
| 1986 | 110.69 |