Mercer County, Pennsylvania
Mercer County is a county in Pennsylvania with an estimated population of 108,503 in 2023. 14 cities, towns and Census places in it are indexed here.
Largest places in Mercer County
Hermitage 15,923Sharon 12,813Grove City 7,779Greenville 5,484Farrell 4,160Sharpsville 4,147Mercer 1,933Stoneboro 931West Middlesex 794Sandy Lake 633Jamestown 570Wheatland 569Clark 562Fredonia 425
About Mercer County
Mercer County is one of the counties of Pennsylvania. County governments in Pennsylvania 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.