Aberdeen city, Maryland
Official LSAD Designation: Aberdeen city • Census GEOID: 2400125
• Harford County
Aberdeen city is an incorporated city in Harford County, Maryland. According to official records from the Census (2025), Aberdeen city had an estimated population of 18,374 residents. Official Census Bureau geographic records classify this community under LSAD designation Aberdeen city (GEOID 2400125).
Local Government Administration U.S. Census Bureau GMAF
City Of Aberdeen
Municipal
Official Title:
Senior Planner
Address:
60 N PARKE ST, ABERDEEN MD 21001
County Of Harford
County
Official Title:
Deputy Treasurer
Address:
220 S MAIN ST, BEL AIR MD 21014-3820
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 18,374 | 2025 |
| Median Household Income | $74,826 | 2020-2024 |
| Median Home Value | $261,400 | 2020-2024 |
| Land Area | 6.96 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).