Harford County | |
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Coordinates: 39°32′N 76°18′W / 39.54°N 76.30°W | |
Country | United States |
State | Maryland |
Founded | December 17, 1773 |
Named for | 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 (200 km2) 17% |
Population (2020) | |
• Total | 260,924 |
• Estimate (2023) | 264,644 |
• Density | 500/sq mi (190/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.[1] Its county seat is Bel Air.[2] Harford County is included in the Washington-Baltimore-Arlington, DC-MD-VA-WV-PA Combined Statistical Area. The county is part of the Central Maryland region of the state.