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

County house price index, 1990 = 100 in Sussex County was 444.74 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-10005`
- 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/sussex-county-delaware
- CSV: https://invokely.ai/download/county-house-price-index-1990/sussex-county-delaware.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-10005

| Period | index |
|---|---:|
| 2025 | 444.74 |
| 2024 | 422.19 |
| 2023 | 389.71 |
| 2022 | 370.52 |
| 2021 | 317.61 |
| 2020 | 283.4 |
| 2019 | 276.4 |
| 2018 | 263.89 |
| 2017 | 254.15 |
| 2016 | 245.08 |
| 2015 | 240.21 |
| 2014 | 234.25 |
| 2013 | 229.86 |
| 2012 | 232.23 |
| 2011 | 238.29 |
| 2010 | 252.95 |
| 2009 | 268.44 |
| 2008 | 289.42 |
| 2007 | 299.77 |
| 2006 | 296.39 |
| 2005 | 270.79 |
| 2004 | 226.87 |
| 2003 | 193.54 |
| 2002 | 177.36 |
| 2001 | 162.35 |
| 2000 | 144.82 |
| 1999 | 127.12 |
| 1998 | 116.23 |
| 1997 | 112.3 |
| 1996 | 111.95 |
| 1995 | 107.62 |
| 1994 | 104.82 |
| 1993 | 104.69 |
| 1992 | 104.38 |
| 1991 | 102.89 |
| 1990 | 100 |
| 1989 | 95.3 |
| 1988 | 92.35 |
| 1987 | 82.91 |
| 1986 | 79.31 |
| 1985 | 73.14 |
| 1984 | 65.25 |
| 1983 | 57.37 |