Zip Code 19904 — Dover, DE

ZIP Code 19904 is associated with Dover, DE, in Kent County. The listed population estimate is 38,818; estimated density is 347.0 people per square mile. Among records with population estimates, it ranks #1 of 17 in Kent County and #8 of 65 in DE.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.172890, -75.595170)

Data MetricLocal Statistic
Postal / Zip Code19904
Primary CityDover
State / ProvinceDE
CountyKent
Total Population38,818
Population Density347.0 people/sq mi
TimezoneAmerica/New_York

How 19904 Compares

MetricZIP 19904Kent County recordsDE records
Population estimate38,818181,133 (sum)1,021,605 (sum)
Population Density347.0 /sq mi----
County population rank#1 of 17----
State population rank#8 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 19936Cheswold3.2 mi152
ZIP 19955Kenton5.3 mi352
ZIP 19953Hartly5.7 mi5,255
ZIP 19901Dover6.3 mi37,763
ZIP 19934Camden Wyoming6.6 mi14,061

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 →