Identifiers: city · CDP · village
| Rank | Community | Population |
|---|---|---|
| 1 | Athens (city), OH | 23,849 |
| 2 | Wellston (city), OH | 5,412 |
| 3 | Nelsonville (city), OH | 4,612 |
| 4 | The Plains (CDP), OH | 3,140 |
| 5 | McArthur (village), OH | 1,783 |
| 6 | Chauncey (village), OH | 959 |
| 7 | Albany (village), OH | 917 |
| 8 | Hamden (village), OH | 727 |
| 9 | Buchtel (village), OH | 518 |
| 10 | Jacksonville (village), OH | 400 |
| 11 | Trimble (village), OH | 329 |
| 12 | New Marshfield (CDP), OH | 316 |
| 13 | Millfield (CDP), OH | 311 |
| 14 | Zaleski (village), OH | 230 |
| 15 | Stewart (CDP), OH | 221 |
| 16 | Amesville (village), OH | 171 |
| 17 | Wilkesville (village), OH | 116 |