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Zip Code 19973 — Seaford, DE

19973 is a ZIP Code associated with Seaford, DE, located within Sussex. The postal region supports an estimated population of 26,834 residents across Data Pending housing units, with a population density of 123.3 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.634040, -75.624540)

Data Metric	Local Statistic
Postal / Zip Code	19973
Primary City	Seaford
State / Province	DE
County	Sussex
Total Population	26,834
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	123.3 people/sq mi
Timezone	America/New_York

How 19973 Compares

Metric	ZIP 19973	Sussex County	DE State Average
Population	26,834	267,041	1,021,605
Median Income	Data Pending	N/A	N/A
Population Density	123.3 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 19931	Bethel	4.5 mi	375	N/A
Zip 19933	Bridgeville	7.2 mi	10,597	N/A
Zip 19956	Laurel	7.6 mi	16,327	N/A
Zip 19940	Delmar	11.3 mi	7,540	N/A
Zip 19947	Georgetown	12.5 mi	20,760	N/A

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 →