Home > MD > Harford County > Havre De Grace > Zip 21078

Zip Code 21078 — Havre De Grace, MD

21078 is a ZIP Code associated with Havre De Grace, MD, located within Harford. The postal region supports an estimated population of 20,030 residents across Data Pending housing units, with a population density of 256.9 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.569110, -76.147760)

Data Metric	Local Statistic
Postal / Zip Code	21078
Primary City	Havre De Grace
State / Province	MD
County	Harford
Total Population	20,030
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	256.9 people/sq mi
Timezone	America/New_York

How 21078 Compares

Metric	ZIP 21078	Harford County	MD State Average
Population	20,030	262,768	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	256.9 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21902	Perry Point	4.7 mi	340	N/A
Zip 21001	Aberdeen	5.0 mi	27,168	N/A
Zip 21028	Churchville	5.0 mi	3,103	N/A
Zip 21904	Port Deposit	5.3 mi	6,233	N/A
Zip 21903	Perryville	5.5 mi	5,692	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 →