Marion County Map
The County of Marion is located in the State of Illinois. Find directions to Marion County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Marion County population is estimated at 37,045 people. The Marion County time zone is Central Daylight Time which is 6 hours behind Coordinated Universal Time (UTC).
Nearby counties include Clay County, Clinton County, Fayette County, Jefferson County, Washington County, Wayne County.
Top cities include Centralia, Salem, Sandoval, Central City, Odin