| Capital: | Springfield |
|---|---|
| Origen y Formación del condado: | Madison and Bond County |
| Población: | 197,465 habitantes |
| Área: | 868 sq mi |
| Localización del condado dentro de Illinois: |
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Localidades en Sangamon, Illinois
- Auburn
- Auburn Township Sangamon County
- Ball Township Sangamon County
- Berlin
- Buffalo
- Buffalo Hart Township Sangamon County
- Cantrall
- Capital Township Sangamon County
- Cartwright Township Sangamon County
- Chatham
- Chatham Township Sangamon County
- Clear Lake
- Clear Lake Township Sangamon County
- Cooper Township Sangamon County
- Cotton Hill Township Sangamon County
- Curran Township Sangamon County
- Dawson
- Divernon
- Divernon Township Sangamon County
- Fancy Creek Township Sangamon County
- Gardner Township Sangamon County
- Glenarm
- Grandview
- Illiopolis
- Illiopolis Township Sangamon County
- Island Grove Township Sangamon County
- Jerome
- Lanesville Township Sangamon County
- Leland Grove
- Loami
- Loami Township Sangamon County
- Lowder
- Maxwell Township Sangamon County
- Mechanicsburg
- Mechanicsburg Township Sangamon County
- New Berlin
- New Berlin Township Sangamon County
- New City
- Pawnee
- Pawnee Township Sangamon County
- Pleasant Plains
- Riverton
- Rochester
- Rochester Township Sangamon County
- Salisbury Township Sangamon County
- Sherman
- Southern View
- Spaulding
- Springfield
- Springfield Township Sangamon County
- Thayer
- Virden
- Williamsville
- Williams Township Sangamon County
- Woodside Township Sangamon County