Home > DE > New Castle County > Wilmington > Zip 19801

Zip Code 19801 — Wilmington, DE

ZIP Code 19801 is associated with Wilmington, DE, in New Castle County. The listed population estimate is 16,327; estimated density is 1,433.8 people per square mile. Among records with population estimates, it ranks #14 of 26 in New Castle County and #22 of 65 in DE.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.727820, -75.546150)

Data MetricLocal Statistic
Postal / Zip Code19801
Primary CityWilmington
State / ProvinceDE
CountyNew Castle
Total Population16,327
Population Density1,433.8 people/sq mi
TimezoneAmerica/New_York

How 19801 Compares

MetricZIP 19801New Castle County recordsDE records
Population estimate16,327573,431 (sum)1,021,605 (sum)
Population Density1,433.8 /sq mi----
County population rank#14 of 26----
State population rank#22 of 65----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in DE

ZIP CodeCityDistancePopulation estimate
ZIP 19802Wilmington2.2 mi26,051
ZIP 19806Wilmington2.5 mi9,777
ZIP 19805Wilmington2.8 mi41,402
ZIP 19809Wilmington3.1 mi14,311
ZIP 19804Wilmington4.0 mi18,779

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →