What is the population of Lancaster County, PA?
Lancaster County in Pennsylvania has a population of 555,151, per Census ACS 5-Year estimates. The median household income is $83,703 and the median age is 39.1.
Context
Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Lancaster County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.
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Lancaster County in Pennsylvania has a population of 555,151, per Census ACS 5-Year estimates. The median household income is $83,703 and the median age is 39.1.