Harford County is 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 included in the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area, which is also included in the Washington-Baltimore-Arlington, DC-MD-VA-WV-PA Combined Statistical Area.
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Wikipedia https://en.wikipedia.org/wiki/Harford_County,_Maryland
Coordinates 39°32'7.823" N -76°20'56.543" E
