Year Built

Delaware contains 96 ZIP codes across 3 counties. With an estimated population of 1,006,247 residents and a median age of 42 years, it is a middle-aged state in terms of demographics.

Economically, Delaware is broadly a middle-income state. The median household income of $86,313 is near the national average. The statewide unemployment rate is 5.0%, near the national average. Approximately 10.5% of residents live below the poverty line.

Delaware has a mid-range housing market overall, with a median home value of $329,957 — above the national average. Median monthly rent across the state averages around $1,381. Homeownership stands at 72.5% statewide.

The population of Delaware is majority White (59.02%). Residents are broadly well-educated — 44.5% hold a bachelor's degree or higher, near the national average.

The 96 ZIP codes across Delaware vary widely in character — from dense urban cores to rural agricultural areas. Each of the 3 counties has its own economic profile, housing market, and demographic makeup. Browse by county below to find ZIP codes that match your specific needs, whether you're researching relocation, real estate, business demographics, or local government boundaries.

Looking for ZIP code data in Delaware? Every ZIP code page includes population counts, median household income, home values, rental rates, age distribution, race and ethnicity breakdown, education levels, commute data, and housing stock information — all sourced from the U.S. Census Bureau's American Community Survey.