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

County house price index, 1990 = 100 in Walla Walla County was 646.38 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-53071`
- 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/walla-walla-county-washington
- CSV: https://invokely.ai/download/county-house-price-index-1990/walla-walla-county-washington.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-53071

| Period | index |
|---|---:|
| 2025 | 646.38 |
| 2024 | 615.7 |
| 2023 | 609.69 |
| 2022 | 605.25 |
| 2021 | 507.1 |
| 2020 | 429.24 |
| 2019 | 412.07 |
| 2018 | 375.98 |
| 2017 | 352.45 |
| 2016 | 331.59 |
| 2015 | 310.4 |
| 2014 | 298.44 |
| 2013 | 290.32 |
| 2012 | 285.43 |
| 2011 | 289.84 |
| 2010 | 296.5 |
| 2009 | 310.04 |
| 2008 | 325.35 |
| 2007 | 320.17 |
| 2006 | 297.13 |
| 2005 | 260.28 |
| 2004 | 232.56 |
| 2003 | 207.52 |
| 2002 | 197.91 |
| 2001 | 189.68 |
| 2000 | 183.11 |
| 1999 | 176.7 |
| 1998 | 174.59 |
| 1997 | 174.16 |
| 1996 | 163.75 |
| 1995 | 166.73 |
| 1994 | 148.6 |
| 1993 | 134.57 |
| 1992 | 120.1 |
| 1991 | 111.3 |
| 1990 | 100 |
| 1989 | 93.11 |
| 1988 | 89.5 |
| 1987 | 89.92 |
| 1986 | 91.17 |
| 1985 | 93.65 |
| 1984 | 94.22 |
| 1983 | 91.38 |
| 1982 | 96.47 |
| 1981 | 97.67 |
| 1980 | 85.1 |
| 1979 | 79.18 |
| 1978 | 73.95 |
| 1977 | 60.37 |
| 1976 | 52.9 |
| 1975 | 49.59 |