| | 1712500844 | Allens Grove township | Mason County | IL | Active government
providing primary
general-purpose functions A |
| | 1712504169 | Bath township | Mason County | IL | Active government
providing primary
general-purpose functions A |
| | 1712517250 | Crane Creek township | Mason County | IL | Active government
providing primary
general-purpose functions A |
| | 1712526766 | Forest City township | Mason County | IL | Active government
providing primary
general-purpose functions A |
| | 1712533526 | Havana township | Mason County | IL | Active government
providing primary
general-purpose functions A |
| | 1712539870 | Kilbourne township | Mason County | IL | Active government
providing primary
general-purpose functions A |
| | 1712545265 | Lynchburg township | Mason County | IL | Active government
providing primary
general-purpose functions A |
| | 1712546396 | Manito township | Mason County | IL | Active government
providing primary
general-purpose functions A |
| | 1712547482 | Mason City township | Mason County | IL | Active government
providing primary
general-purpose functions A |
| | 1712558629 | Pennsylvania township | Mason County | IL | Active government
providing primary
general-purpose functions A |