Marion County is a county located in the U.S. state of Illinois, in the southern half of the state known as "Little Egypt". According to the 2020 census, it had a population of 37,729. Its county seat is Salem. Marion County comprises the Centralia, IL Micropolitan Statistical Area, which is included in the St. Louis-St. Charles-Farmington, MO-IL Combined Statistical Area.

From Wikipedia (CC BY-SA 4.0).

Also known as Marion County, Illinois, Marion County, IL

Key facts

Country: United States
Inception: 1823
Website: https://marioncountyil.gov/

On IJR

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Overview

From Wikipedia (CC BY-SA 4.0).