Ranking of Mercer, PA Cities and Places By population in 2020
Updated on June 27, 2025.
Based on the US Census Vintage data estimates, in 2020, among all Mercer, PA cities and places, Balance of Mercer County had the highest population (52.17K), followed by Hermitage city (16.24K), and Sharon city (13.13K).
The chart below shows the top 10 cities and places, and the table below shows the ranking of all Mercer cities and places.
You can see similar information for other Pennsylvania counties. You can also see the ranking of all cities and places in Pennsylvania.
Data Source: US Census Bureau (Vintage).
Ranking of Mercer, PA Cities and Places By population in 2020
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| Rank | City or Place | Population |
|---|---|---|
| 1 | Balance of Mercer County | 52174 |
| 2 | Hermitage city | 16240 |
| 3 | Sharon city | 13131 |
| 4 | Grove City borough | 7877 |
| 5 | Greenville borough | 5533 |
| 6 | Farrell city | 4257 |
| 7 | Sharpsville borough | 4247 |
| 8 | Mercer borough | 1982 |
| 9 | Stoneboro borough | 946 |
| 10 | West Middlesex borough | 819 |
| 11 | Sandy Lake borough | 648 |
| 12 | Wheatland borough | 582 |
| 13 | Jamestown borough | 576 |
| 14 | Clark borough | 575 |
| 15 | Fredonia borough | 434 |
| 16 | Jackson Center borough | 192 |
| 17 | New Lebanon borough | 185 |
| 18 | Sheakleyville borough | 150 |