There are 21 cities in Mercer County, Pennsylvania.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Hermitage1Pennsylvania15,85316,240-0.7%53829.46
Sharon2Pennsylvania12,72213,129-0.9%3,3733.77
Grove City3Pennsylvania7,7947,873-0.4%2,8912.70
Greenville4Pennsylvania5,4605,533-0.69%2,8931.89
Farrell5Pennsylvania4,1234,253-0.89%1,8212.26
Sharpsville6Pennsylvania4,1154,246-0.89%2,9581.39
Reynolds Heights7Pennsylvania1,9771,941 6812.90
Mercer8Pennsylvania1,9211,982-0.88%1,6601.16
Stoneboro9Pennsylvania925945-0.64%3262.83
West Middlesex10Pennsylvania793815-0.75%9380.84
Lake Latonka11Pennsylvania724756 3072.35
Sandy Lake12Pennsylvania631649-0.79%7580.83
Jamestown13Pennsylvania570581-0.52%6840.83
Wheatland14Pennsylvania565582-0.88%6470.87
Clark15Pennsylvania557574-0.89%1853.01
Sugar Grove16Pennsylvania536557-0.92%4781.12
Fredonia17Pennsylvania421434-0.94%1,1790.36
Mill Creek18Pennsylvania275286-1.08%9140.30
New Lebanon19Pennsylvania1871850.54%1471.27
Jackson Center20Pennsylvania184191-1.07%1621.14
Sheakleyville21Pennsylvania146150-0.68%7450.20
showing: 21 rows

Cities in Mercer County, Pennsylvania by Population (2024)

What is the largest city in Mercer County, Pennsylvania?

Hermitage is the largest city in Mercer County.

What is the smallest city in Mercer County, Pennsylvania?

Sheakleyville is the smallest city in Mercer County.

How many cities are in Mercer County?

There are 21 cities in Mercer County, Pennsylvania.

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