County ProfileMD
Harford County
Population: 260,924 · 18 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
260,924
People
Median age
40.5
Housing
Total households
101,795
Income
Median household income
$112,265
Housing
Total housing units
105,468
Employment
Employment rate
64.3%
Education
Bachelor’s degree or higher
40.3%
Healthcare
Insured population
96.4%
County details
Local time 05:30:05(ET)| Name | Harford |
|---|---|
| Total ZIP codes | 18total |
| ZIP codes (by type) | 17 Standard1 PO Box |
| Area code | 410, 443, 667 |
| Timezone | Eastern Time (ET) |
| Coordinates | 39.5374292, -76.2997894 |
| Land area | 437.1 sq miles(1,132.1 km²) |
Map of Harford county, Maryland with ZIP codes
Cities and Communities in Harford County
Compare the largest cities in Harford County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Edgewood | 25,713 | $80,772 | 1ZIPs |
| Forest Hill | 18,681 | — | 1ZIPs |
| Joppa | 17,142 | — | 1ZIPs |
| Aberdeen | 16,254 | $74,826 | 1ZIPs |
| Havre De Grace | 14,807 | $105,817 | 1ZIPs |
| Fallston | 9,306 | $154,688 | 1ZIPs |
| Belcamp | 6,526 | — | 1ZIPs |
| Street | 6,309 | — | 1ZIPs |
| White Hall | 5,333 | — | 1ZIPs |
| Abingdon | 4,826 | $136,833 | 1ZIPs |
| Churchville | 3,172 | — | 1ZIPs |
| Jarrettsville | 2,888 | $146,635 | 1ZIPs |
| Perryman | 2,496 | $35,392 | 1ZIPs |
| Whiteford | 2,449 | — | 1ZIPs |
| Aberdeen Proving Ground | 1,668 | $125,069 | 1ZIPs |
| Pylesville | 711 | $173,171 | 1ZIPs |
| Darlington | 398 | $81,875 | 1ZIPs |
| Gunpowder | 153 | — | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Harford County
Review the most populated postal areas across Harford County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 21009 | Abingdon | $121,660 | 31,835 |
| 21001 | Aberdeen | $83,238 | 25,714 |
| 21040 | Edgewood | $81,704 | 25,138 |
| 21078 | Havre De Grace | $106,667 | 20,321 |
| 21050 | Forest Hill | $125,208 | 18,681 |
| 21085 | Joppa | $113,714 | 17,142 |
| 21047 | Fallston | $157,500 | 12,876 |
| 21084 | Jarrettsville | $121,509 | 7,600 |
| 21017 | Belcamp | $106,831 | 6,526 |
| 21154 | Street | $97,658 | 6,309 |
| 21161 | White Hall | $108,094 | 5,333 |
| 21034 | Darlington | $78,047 | 3,314 |
| 21028 | Churchville | $137,586 | 3,172 |
| 21132 | Pylesville | $132,288 | 2,930 |
| 21160 | Whiteford | $106,181 | 2,449 |
| 21005 | Aberdeen Proving Ground | $125,208 | 1,709 |
| 21010 | Gunpowder | $99,410 | 153 |
| 21130 | Perryman | $17,336 | 140 |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS