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State, one year

Delaware in 2017

Index change and building permits for the year, with every county.

In 2017 the FHFA house price index for Delaware changed +1.8%, against +5.4% for the United States and +2.1% in 2016.

6,601 housing units were authorised by building permits in the state that year (5,218 single-family), +13.7% on 2016; the national total was 1,281,977.

+1.8%Delaware index, 2016–2017US +5.4%
6,601housing units permitted in 20175,218 single-family
3 of 3counties with a rising indexmedian county +1.5%
1,281,977units permitted nationally in 2017
← 2016Delaware overview2018 →

Counties in 2017

Ranked by the county index change from 2016 to 2017 (FHFA annual county index). Permits are units authorised in 2017; per 1,000 uses the vintage 2025 population.

CountyIndex change 2017Units permittedSingle-familyPer 1,000
Sussex County+3.7%3,1782,72711.5
New Castle County+1.5%1,8691,3383.2
Kent County+1.0%1,5541,1538.0

Permits by year, 1995–2025

Housing units authorised in Delaware by year05,00010,0001995: 4,608 units (4,252 single-family, 356 in multi-unit buildings)19951996: 4,370 units (4,218 single-family, 152 in multi-unit buildings)1997: 4,732 units (4,080 single-family, 652 in multi-unit buildings)1998: 5,287 units (4,649 single-family, 638 in multi-unit buildings)1999: 5,285 units (4,822 single-family, 463 in multi-unit buildings)2000: 4,611 units (3,915 single-family, 696 in multi-unit buildings)20002001: 4,814 units (4,425 single-family, 389 in multi-unit buildings)2002: 6,331 units (6,051 single-family, 280 in multi-unit buildings)2003: 7,760 units (6,748 single-family, 1,012 in multi-unit buildings)2004: 7,858 units (7,532 single-family, 326 in multi-unit buildings)2005: 8,195 units (6,715 single-family, 1,480 in multi-unit buildings)20052006: 6,504 units (5,015 single-family, 1,489 in multi-unit buildings)2007: 5,291 units (4,403 single-family, 888 in multi-unit buildings)2008: 3,346 units (2,680 single-family, 666 in multi-unit buildings)2009: 3,156 units (2,676 single-family, 480 in multi-unit buildings)2010: 3,072 units (2,673 single-family, 399 in multi-unit buildings)20102011: 2,954 units (2,441 single-family, 513 in multi-unit buildings)2012: 4,091 units (2,890 single-family, 1,201 in multi-unit buildings)2013: 4,827 units (3,759 single-family, 1,068 in multi-unit buildings)2014: 5,194 units (4,144 single-family, 1,050 in multi-unit buildings)2015: 5,221 units (4,239 single-family, 982 in multi-unit buildings)20152016: 5,804 units (4,687 single-family, 1,117 in multi-unit buildings)2017: 6,601 units (5,218 single-family, 1,383 in multi-unit buildings)2018: 6,003 units (5,472 single-family, 531 in multi-unit buildings)2019: 6,539 units (5,573 single-family, 966 in multi-unit buildings)2020: 8,455 units (7,101 single-family, 1,354 in multi-unit buildings)20202021: 8,500 units (7,261 single-family, 1,239 in multi-unit buildings)2022: 6,417 units (5,855 single-family, 562 in multi-unit buildings)2023: 5,765 units (4,684 single-family, 1,081 in multi-unit buildings)2024: 7,141 units (6,236 single-family, 905 in multi-unit buildings)2025: 6,468 units (5,422 single-family, 1,046 in multi-unit buildings)2025

Housing units authorised in Delaware by yearsingle-family2+ unit buildings

Source: Federal Housing Finance Agency annual state and county house price indexes (updated March 31, 2026); Census Bureau Building Permits Survey annual state and county files. Public domain. Methodology.