County
· Illinois
Marion County
Marion County is a county located in the U.S. state of Illinois. 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.
37,390 population
(2021)
·
County area: Marion
Governance bodies
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Cities and towns 14
- City of Centralia pop. 12,033
- City of Kinmundy pop. 731
- City of Salem pop. 7,187
- City of Wamac pop. 977
- Village of Alma pop. 311
- Village of Central City pop. 1,100
- Village of Iuka pop. 504
- Village of Junction City pop. 528
- Village of Kell pop. 173
- Village of Odin pop. 913
- Village of Patoka pop. 523
- Village of Sandoval pop. 1,152
- Village of Vernon pop. 101
- Village of Walnut Hill pop. 95
Townships 17
- Township of Alma pop. 780
- Township of Carrigan pop. 364
- Township of Centralia pop. 14,191
- Township of Foster pop. 359
- Township of Haines pop. 863
- Township of Iuka pop. 1,019
- Township of Kinmundy pop. 1,120
- Township of Meacham pop. 347
- Township of Odin pop. 1,564
- Township of Omega pop. 445
- Township of Patoka pop. 932
- Township of Raccoon pop. 1,542
- Township of Romine pop. 491
- Township of Salem pop. 8,997
- Township of Sandoval pop. 2,192
- Township of Stevenson pop. 1,172
- Township of Tonti pop. 1,012
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 204262
- FIPS state
- 17
- FIPS county
- 121
- FIPS place
- 99121
- Census record name
- COUNTY OF MARION
- Mailing address
- 100 E MAIN STREET, SALEM 62881