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

County house price index, 1990 = 100 in Delta County was 385.53 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-26041`
- 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/delta-county-michigan
- CSV: https://invokely.ai/download/county-house-price-index-1990/delta-county-michigan.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-26041

| Period | index |
|---|---:|
| 2025 | 385.53 |
| 2024 | 334.07 |
| 2023 | 315.24 |
| 2022 | 287.49 |
| 2021 | 252.15 |
| 2020 | 224.64 |
| 2019 | 218.88 |
| 2018 | 212.17 |
| 2017 | 209.82 |
| 2016 | 206.87 |
| 2015 | 202.53 |
| 2014 | 199.04 |
| 2013 | 196.59 |
| 2012 | 198.07 |
| 2011 | 197.04 |
| 2010 | 200.3 |
| 2009 | 207.25 |
| 2008 | 211.18 |
| 2007 | 212.76 |
| 2006 | 213.74 |
| 2005 | 208.69 |
| 2004 | 199.28 |
| 2003 | 190.89 |
| 2002 | 186.16 |
| 2001 | 183.85 |
| 2000 | 179.47 |
| 1999 | 169.42 |
| 1998 | 157.24 |
| 1997 | 153.53 |
| 1996 | 136.87 |
| 1995 | 130.78 |
| 1994 | 118.83 |
| 1993 | 104.93 |
| 1992 | 103.05 |
| 1991 | 100.12 |
| 1990 | 100 |
| 1989 | 95.11 |
| 1988 | 91.79 |
| 1987 | 85.83 |
| 1986 | 87.67 |
| 1985 | 81.46 |