ZIP code · Wilmington · Delaware · United States

ZIP code 19809 — Wilmington

ZIP code 19809 serves Wilmington, Delaware.

Postal code
19809
Single source Value from one source, not cross-checked.
City
Wilmington
County
New Castle FIPS 10003
State
Delaware
Country
United States
Coordinates
39.7647, -75.5069 — precision precise (locality)
View on OpenStreetMap
Population
15,129 (ZCTA, ACS 5-year)
Population density
2,239 / sq mi
Land area
6.8 sq mi (17.5 km²) (ZCTA, ACS 5-year)
Median household income
$85,988
Per-capita income
$44,836
Median age
37.9
Households
6,236
Housing units
6,531
Median home value
$308,900
Median gross rent
$1,373 / month
Congressional district
DE At-large (119th Congress)
USDA hardiness zone
7b (5 to 10 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/New_York (UTC−5 / UTC−4 DST)
Area code
302
Telephone 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

Climate — monthly normals

Warmest month Jul (avg high 84°F), coldest Jan (avg low 24°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F384149617179848275635343
Avg low °F242532435262676659473729
Precip in3.73.04.74.13.84.75.24.45.14.13.34.4

NOAA 1991–2020 climate normals from the nearest station: WILMINGTON PORTER RSCH (1.9 mi) · NOAA NCEI

Places in ZIP 19809

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

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) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page