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

County house price index, 1990 = 100 in Yankton County was 410.9 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-46135`
- 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/yankton-county-south-dakota
- CSV: https://invokely.ai/download/county-house-price-index-1990/yankton-county-south-dakota.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-46135

| Period | index |
|---|---:|
| 2025 | 410.9 |
| 2024 | 403.09 |
| 2023 | 379.37 |
| 2022 | 354.06 |
| 2021 | 308.81 |
| 2020 | 281.39 |
| 2019 | 276.31 |
| 2018 | 266.32 |
| 2017 | 256.46 |
| 2016 | 247.26 |
| 2015 | 240.34 |
| 2014 | 229.98 |
| 2013 | 218.9 |
| 2012 | 207.99 |
| 2011 | 203.71 |
| 2010 | 206.37 |
| 2009 | 206.64 |
| 2008 | 204.66 |
| 2007 | 201.45 |
| 2006 | 190.36 |
| 2005 | 182.25 |
| 2004 | 172.29 |
| 2003 | 161.1 |
| 2002 | 158.42 |
| 2001 | 155.25 |
| 2000 | 149.56 |
| 1999 | 147.97 |
| 1998 | 146.66 |
| 1997 | 140.44 |
| 1996 | 134.65 |
| 1995 | 133.03 |
| 1994 | 128.35 |
| 1993 | 122.17 |
| 1992 | 116.18 |
| 1991 | 108.93 |
| 1990 | 100 |
| 1989 | 99.45 |
| 1988 | 104.28 |
| 1987 | 91.5 |
| 1986 | 95.7 |