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Population Review

What is the population of Frederick County, MD?

Frederick County in Maryland has a population of 280,341, per Census ACS 5-Year estimates. The median household income is $120,458 and the median age is 38.9.

Context

Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Frederick County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.

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Frederick County in Maryland has a population of 280,341, per Census ACS 5-Year estimates. The median household income is $120,458 and the median age is 38.9.