Harford County, Maryland

Harford County is a county in Maryland with an estimated population of 264,644 in 2023. 3 cities, towns and Census places in it are indexed here.

Largest places in Harford County

About Harford County

Harford County is one of the counties of Maryland. County governments in Maryland handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.