Liste der nach Einwohnerzahl bedeutendsten Orte (max. 300 Orte) in Ostrobothnia, mit Links zu den Ortsdetails
| Ort | Einwohnerzahl | Landesregion | |
|---|---|---|---|
| Bennäs | 0 | Ostrobothnia | |
| Hietalahti | 4700 | Ostrobothnia | |
| Jakobstad | 19238 | Ostrobothnia | |
| Kållby | 1083 | Ostrobothnia | |
| Kaskinen | 1514 | Ostrobothnia | |
| Korsholm | 17176 | Ostrobothnia | |
| Korsnäs | 2194 | Ostrobothnia | |
| Kristinestad | 7712 | Ostrobothnia | |
| Kronoby | 6813 | Ostrobothnia | |
| Laihia | 7782 | Ostrobothnia | |
| Larsmo | 4331 | Ostrobothnia | |
| Malax | 5517 | Ostrobothnia | |
| Närpes | 9583 | Ostrobothnia | |
| Nykarleby | 7338 | Ostrobothnia | |
| Oravais | 2141 | Ostrobothnia | |
| Pedersöre | 10436 | Ostrobothnia | |
| Replot | 2100 | Ostrobothnia | |
| Ristinummi | 1500 | Ostrobothnia | |
| Sandsund | 1998 | Ostrobothnia | |
| Smedsby | 0 | Ostrobothnia | |
| Teeriniemi | 1500 | Ostrobothnia | |
| Vaasa | 67631 | Ostrobothnia | |
| Vähäkyrö | 4638 | Ostrobothnia | |
| Vörå | 3416 | Ostrobothnia | |
| Ytteresse | 1758 | Ostrobothnia |