| Name | Status | Population census 2000-12-05 | Population estimate 2010-12-31 | Population estimate 2011-12-31 | |
|---|---|---|---|---|---|
| Bezirk Gösgen | District | 22,211 | 23,155 | 23,270 | o |
| Solothurn | Canton | 244,341 | 255,284 | 256,990 |
| Name | Status | Agglomeration | Population census 2000-12-05 | Population estimate 2010-12-31 | Population estimate 2011-12-31 | |
|---|---|---|---|---|---|---|
| Erlinsbach (SO) | Commune | Aarau | 2,882 | 3,192 | 3,216 | o |
| Hauenstein-Ifenthal | Commune | 265 | 313 | 326 | o | |
| Kienberg | Commune | 522 | 504 | 508 | o | |
| Lostorf | Commune | Olten-Zofingen | 3,477 | 3,824 | 3,840 | o |
| Niedergösgen | Commune | Aarau | 3,775 | 3,764 | 3,739 | o |
| Obergösgen | Commune | Olten-Zofingen | 1,941 | 2,120 | 2,118 | o |
| Rohr (SO) | Commune | 111 | 92 | 96 | o | |
| Stüsslingen | Commune | 945 | 1,002 | 1,018 | o | |
| Trimbach | Commune | Olten-Zofingen | 6,173 | 6,262 | 6,268 | o |
| Winznau | Commune | Olten-Zofingen | 1,700 | 1,667 | 1,732 | o |
| Wisen (SO) | Commune | 420 | 415 | 409 | o |
Source: Swiss Federal Statistical Office (web); boundaries of December 2011.
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