Harford County, Maryland

Harford County
Harford County Courthouse
Harford County Courthouse
Flag of Harford County
Official seal of Harford County
Map of Maryland highlighting Harford County
Location within the U.S. state of Maryland
Map of the United States highlighting Maryland
Maryland's location within the U.S.
Coordinates: 39°32′N 76°18′W / 39.54°N 76.30°W / 39.54; -76.30
Country United States
State Maryland
FoundedDecember 17, 1773
Named forHenry Harford
SeatBel Air
Largest cityAberdeen
Area
 • Total
527 sq mi (1,360 km2)
 • Land437 sq mi (1,130 km2)
 • Water90 sq mi (200 km2)  17%
Population
 (2020)
 • Total
260,924
 • Estimate 
(2023)
264,644 Increase
 • Density500/sq mi (190/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district1st
Websitewww.harfordcountymd.gov

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.

  1. ^ "State & County QuickFacts". United States Census Bureau. Retrieved August 13, 2021.
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.