Housing Vacancy Rate by Zip Code (ZCTA5) — Delaware

NOTE: Gray indicates insufficient data or a suppressed estimate.

The highest housing vacancy rates in Delaware, exceeding 30%, are concentrated in the southeastern coastal zip codes of Sussex County, consistent with the prevalence of seasonal and vacation properties in beach communities like Rehoboth, Bethany, and Fenwick Island. Northern Delaware, particularly the Wilmington metro area in New Castle County, exhibits markedly lower vacancy rates generally below 8%, with several zip codes in the 0–4% range reflecting tighter housing markets in more urbanized and suburban areas. A notable transition zone exists through central Kent County, where vacancy rates shift from the low single digits in the west to moderate levels (8–12%) moving eastward toward the coast.

Data: U.S. Census Bureau, 2023 ACS

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