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

County house price index, 1990 = 100 in Washington County was 340.72 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-39167`
- 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/washington-county-ohio
- CSV: https://invokely.ai/download/county-house-price-index-1990/washington-county-ohio.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-39167

| Period | index |
|---|---:|
| 2025 | 340.72 |
| 2024 | 320.34 |
| 2023 | 299.27 |
| 2022 | 280.92 |
| 2021 | 264.06 |
| 2020 | 239.77 |
| 2019 | 234.17 |
| 2018 | 227.86 |
| 2017 | 214.72 |
| 2016 | 208.53 |
| 2015 | 205.77 |
| 2014 | 197.68 |
| 2013 | 193.34 |
| 2012 | 191.28 |
| 2011 | 190.24 |
| 2010 | 190.74 |
| 2009 | 194.68 |
| 2008 | 192.73 |
| 2007 | 191.44 |
| 2006 | 192.1 |
| 2005 | 183.22 |
| 2004 | 177.34 |
| 2003 | 169.71 |
| 2002 | 167.99 |
| 2001 | 163.69 |
| 2000 | 159.47 |
| 1999 | 154.53 |
| 1998 | 145.49 |
| 1997 | 139.47 |
| 1996 | 136.33 |
| 1995 | 132.39 |
| 1994 | 119.82 |
| 1993 | 113.09 |
| 1992 | 106.2 |
| 1991 | 104.34 |
| 1990 | 100 |
| 1989 | 100.22 |
| 1988 | 97.1 |
| 1987 | 89.59 |
| 1986 | 92.13 |
| 1985 | 85.13 |