Overview
Montgomery County is a county of Illinois, United States (FIPS il135), with a population of about 30,104[1].
Geography
- Coordinates: 39.2310, -89.4789
- Time zone: America/Chicago
Places · place_us_il_montgomery_county
Montgomery County is a county of Illinois, United States.
Montgomery County is a county of Illinois, United States (FIPS il135), with a population of about 30,104[1].