Ranking of Washington, 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 Washington, PA cities and places, Balance of Washington County had the highest population (142.82K), followed by Washington city (13.14K), and Canonsburg borough (9.75K).
The chart below shows the top 10 cities and places, and the table below shows the ranking of all Washington 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 Washington, PA Cities and Places By population in 2020
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| Rank | City or Place | Population |
|---|---|---|
| 1 | Balance of Washington County | 142822 |
| 2 | Washington city | 13142 |
| 3 | Canonsburg borough | 9752 |
| 4 | California borough | 5363 |
| 5 | Donora borough | 4563 |
| 6 | Charleroi borough | 4235 |
| 7 | Monongahela city | 4147 |
| 8 | Centerville borough | 3256 |
| 9 | Bentleyville borough | 2365 |
| 10 | New Eagle borough | 2054 |
| 11 | East Washington borough | 1852 |
| 12 | McDonald borough (pt.) | 1661 |
| 13 | Burgettstown borough | 1426 |
| 14 | North Charleroi borough | 1303 |
| 15 | Houston borough | 1172 |
| 16 | Speers borough | 1080 |
| 17 | West Brownsville borough | 976 |
| 18 | Midway borough | 923 |
| 19 | Ellsworth borough | 919 |
| 20 | Deemston borough | 753 |
| 21 | Claysville borough | 730 |
| 22 | Roscoe borough | 717 |
| 23 | Cokeburg borough | 620 |
| 24 | Allenport borough | 484 |
| 25 | Stockdale borough | 423 |
| 26 | Long Branch borough | 420 |
| 27 | Marianna borough | 396 |
| 28 | Beallsville borough | 393 |
| 29 | Finleyville borough | 374 |
| 30 | Dunlevy borough | 370 |
| 31 | Elco borough | 263 |
| 32 | Twilight borough | 225 |
| 33 | Coal Center borough | 108 |
| 33 | West Middletown borough | 108 |
| 34 | Green Hills borough | 19 |