Overview
Marion County is a county of Illinois, United States (FIPS il121), with a population of about 39,437[1].
Geography
- Coordinates: 38.6496, -88.9190
- Time zone: America/Chicago
Places · place_us_il_marion_county
Marion County is a county of Illinois, United States.
Marion County is a county of Illinois, United States (FIPS il121), with a population of about 39,437[1].