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

County house price index, 1990 = 100 in Carroll County was 320.7 index in 2025. Source: Federal Housing Finance Agency.

- Indicator id: `house_price_index_us_county_annual_1990`
- Place id: `us-county-24013`
- 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/carroll-county-maryland
- CSV: https://invokely.ai/download/county-house-price-index-1990/carroll-county-maryland.csv
- API: https://invokely.ai/api/v1/series?indicator=house_price_index_us_county_annual_1990&place=us-county-24013

| Period | index |
|---|---:|
| 2025 | 320.7 |
| 2024 | 315.46 |
| 2023 | 292.01 |
| 2022 | 276.38 |
| 2021 | 249.28 |
| 2020 | 226.77 |
| 2019 | 221.03 |
| 2018 | 214.76 |
| 2017 | 209.06 |
| 2016 | 203.42 |
| 2015 | 199.74 |
| 2014 | 197.53 |
| 2013 | 191.45 |
| 2012 | 185.81 |
| 2011 | 189.46 |
| 2010 | 199.51 |
| 2009 | 211.11 |
| 2008 | 234.23 |
| 2007 | 246.6 |
| 2006 | 245.63 |
| 2005 | 223.25 |
| 2004 | 183.95 |
| 2003 | 153.99 |
| 2002 | 143 |
| 2001 | 131.52 |
| 2000 | 123.68 |
| 1999 | 117.68 |
| 1998 | 115.21 |
| 1997 | 112.22 |
| 1996 | 110.71 |
| 1995 | 108.02 |
| 1994 | 106.18 |
| 1993 | 105.11 |
| 1992 | 104.46 |
| 1991 | 102.78 |
| 1990 | 100 |
| 1989 | 95.29 |
| 1988 | 87.07 |
| 1987 | 75.32 |
| 1986 | 67.42 |
| 1985 | 63.26 |
| 1984 | 59.7 |
| 1983 | 55.68 |
| 1982 | 52.95 |
| 1981 | 53.07 |
| 1980 | 49.84 |
| 1979 | 47.75 |
| 1978 | 43.72 |
| 1977 | 37.71 |
| 1976 | 35.39 |
| 1975 | 33.04 |