What is the population of Mercer County, PA?
Mercer County in Pennsylvania has a population of 109,852, per Census ACS 5-Year estimates. The median household income is $60,614 and the median age is 45.2.
Context
Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Mercer County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.
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Mercer County in Pennsylvania has a population of 109,852, per Census ACS 5-Year estimates. The median household income is $60,614 and the median age is 45.2.