| Capital: | Hillsboro |
|---|---|
| Origen y Formación del condado: | Bond and Madison County |
| Población: | 30,104 habitantes |
| Área: | 704 sq mi |
| Localización del condado dentro de Illinois: |
|
Localidades en Montgomery, Illinois
- Audubon Township Montgomery County
- Bois Darc Township Montgomery County
- Butler
- Butler Grove Township Montgomery County
- Coalton
- Coffeen
- Donnellson
- East Fork Township Montgomery County
- Farmersville
- Fillmore
- Fillmore Township Montgomery County
- Grisham Township Montgomery County
- Harvel
- Harvel Township Montgomery County
- Hillsboro
- Hillsboro Township Montgomery County
- Irving
- Irving Township Montgomery County
- Litchfield
- Nokomis
- Nokomis Township Montgomery County
- North Litchfield Township Montgomery County
- Ohlman
- Panama
- Pitman Township Montgomery County
- Raymond
- Raymond Township Montgomery County
- Rountree Township Montgomery County
- Schram City
- South Fillmore Township Montgomery County
- South Litchfield Township Montgomery County
- Taylor Springs
- Waggoner
- Walshville
- Walshville Township Montgomery County
- Wenonah
- Witt
- Witt Township Montgomery County
- Zanesville Township Montgomery County