| Capital: | Quincy |
|---|---|
| Origen y Formación del condado: | Pike County |
| Población: | 67,103 habitantes |
| Área: | 857 sq mi |
| Localización del condado dentro de Illinois: |
|
Localidades en Adams, Illinois
- Beverly Township Adams County
- Burton
- Burton Township Adams County
- Camp Point
- Camp Point Township Adams County
- Clayton
- Clayton Township Adams County
- Coatsburg
- Columbus
- Columbus Township Adams County
- Concord Township Adams County
- Ellington Township Adams County
- Fall Creek Township Adams County
- Fowler
- Gilmer Township Adams County
- Golden
- Honey Creek Township Adams County
- Houston Township Adams County
- Keene Township Adams County
- La Prairie
- Liberty
- Liberty Township Adams County
- Lima
- Lima Township Adams County
- Loraine
- Marblehead
- Mckee Township Adams County
- Melrose Township Adams County
- Mendon
- Mendon Township Adams County
- Northeast Township Adams County
- Paloma
- Payson
- Payson Township Adams County
- Plainville
- Quincy
- Richfield Township Adams County
- Riverside Township Adams County
- Ursa
- Ursa Township Adams County