ZIP code · Wilmington · Delaware · United States
ZIP code 19804 — Wilmington
ZIP code 19804 serves Wilmington, Delaware.
- Postal code
- 19804Single source Value from one source, not cross-checked.
- City
- Wilmington
- County
- New Castle
- State
- Delaware
- Country
- United States
- Coordinates
- 39.7168, -75.6184 — precision precise (locality)
View on OpenStreetMap - Population
- 18,231 (ZCTA, ACS 5-year)
- Median household income
- $76,204
- Median age
- 41
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 302Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Nearby localities
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page