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

County house price index, 1990 = 100 in Martin County was 493.91 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-12085`
- 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/martin-county-florida
- CSV: https://invokely.ai/download/county-house-price-index-1990/martin-county-florida.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-12085

| Period | index |
|---|---:|
| 2025 | 493.91 |
| 2024 | 502.36 |
| 2023 | 474.04 |
| 2022 | 429.94 |
| 2021 | 345.52 |
| 2020 | 296.28 |
| 2019 | 284.89 |
| 2018 | 274.19 |
| 2017 | 247.88 |
| 2016 | 230.55 |
| 2015 | 208.1 |
| 2014 | 191.53 |
| 2013 | 171.03 |
| 2012 | 161.09 |
| 2011 | 163.77 |
| 2010 | 170.58 |
| 2009 | 183.57 |
| 2008 | 222.45 |
| 2007 | 266.74 |
| 2006 | 295.13 |
| 2005 | 267.44 |
| 2004 | 205.65 |
| 2003 | 169.22 |
| 2002 | 150.29 |
| 2001 | 135.08 |
| 2000 | 122.92 |
| 1999 | 115.27 |
| 1998 | 110.93 |
| 1997 | 108.83 |
| 1996 | 106.47 |
| 1995 | 105.22 |
| 1994 | 102.67 |
| 1993 | 103.83 |
| 1992 | 103.28 |
| 1991 | 101.26 |
| 1990 | 100 |
| 1989 | 98.84 |
| 1988 | 91.23 |
| 1987 | 83.78 |
| 1986 | 81.44 |
| 1985 | 78.75 |
| 1984 | 77.3 |
| 1983 | 77.96 |
| 1982 | 72.1 |
| 1981 | 64.07 |
| 1980 | 63.03 |
| 1979 | 56.29 |
| 1978 | 47.8 |
| 1977 | 43.95 |
| 1976 | 39.29 |
| 1975 | 44.35 |