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

County house price index, 1990 = 100 in Clay County was 378.21 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-27027`
- 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/clay-county-minnesota
- CSV: https://invokely.ai/download/county-house-price-index-1990/clay-county-minnesota.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-27027

| Period | index |
|---|---:|
| 2025 | 378.21 |
| 2024 | 360.93 |
| 2023 | 347.58 |
| 2022 | 329.41 |
| 2021 | 297.2 |
| 2020 | 277.28 |
| 2019 | 275.21 |
| 2018 | 271.88 |
| 2017 | 264.47 |
| 2016 | 255.5 |
| 2015 | 241.36 |
| 2014 | 227.16 |
| 2013 | 211.71 |
| 2012 | 204.47 |
| 2011 | 199.25 |
| 2010 | 206.06 |
| 2009 | 204.66 |
| 2008 | 204.86 |
| 2007 | 203.49 |
| 2006 | 200.61 |
| 2005 | 193.62 |
| 2004 | 178.23 |
| 2003 | 162.64 |
| 2002 | 156.1 |
| 2001 | 147.79 |
| 2000 | 140.97 |
| 1999 | 134.21 |
| 1998 | 129.72 |
| 1997 | 125.59 |
| 1996 | 123.3 |
| 1995 | 117.13 |
| 1994 | 112.5 |
| 1993 | 110.68 |
| 1992 | 105.99 |
| 1991 | 104.54 |
| 1990 | 100 |
| 1989 | 98.81 |
| 1988 | 96.19 |
| 1987 | 97.13 |
| 1986 | 95.67 |
| 1985 | 89.84 |
| 1984 | 85.43 |
| 1983 | 98.72 |
| 1981 | 87.03 |
| 1980 | 103.39 |
| 1979 | 93.64 |
| 1978 | 74.24 |