Harford County, Maryland
Harford County, Maryland | |
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Harford County Courthouse | |
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Flag Seal | |
Location within the U.S. state of Maryland | |
| Coordinates: 39°32′N 76°18′W / 39.54°N 76.30°W | |
| Country | United States |
| State | Maryland |
| Founded | December 17, 1773 |
| Named after | Henry Harford |
| Seat | Bel Air |
| Largest city | Aberdeen |
| Area | |
• Total | 527 sq mi (1,360 km2) |
| • Land | 437 sq mi (1,130 km2) |
| • Water | 90 sq mi (230 km2) 17% |
| Population (2020) | |
• Total | 260,924 |
• Estimate (2023) | 264,644 |
| • Density | 597/sq mi (231/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional district | 1st |
| Website | www |
Harford County is a county located in the U.S. state of Maryland. As of the 2020 census, the population was 260,924. Its county seat is Bel Air. Harford County is part of the Baltimore metropolitan area and the Washington–Baltimore combined statistical area. The county is part of the Central Maryland region of the state.