Marion County , Illinois

Marion County: County in Illinois, United States

Marion County locator map
Location of Marion County on Illinois map.

About

Marion County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 39,437 and a population density of 27 people per km². After 10 years in 2020 county had an estimated population of 2,020 inhabitants. Its county seat is Salem. The county was created 198 years ago in 1822.

Marion County Courthouse in Salem image
Marion County Courthouse in Salem
Marion County Courthouse in Salem image

Geography

Marion County is located at 38°38'59"N 88°55'8"W (38.6495900, -88.9189700). It has 6 neighbors: Clay County, Clinton County, Fayette County, Jefferson County, Washington County and Wayne County.

Marion County map

The largest city of Marion County is Salem with a population of 6,952. Other cities include, Wamac population 1,117, Central City population 1,107, Alma population 485 and Junction City population 468. See all Marion County cities & populated places.

Weather

Marion County forecast: A chance of showers and thunderstorms before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 75. Chance of precipitation is 80%. more

Marion County Quick Facts

Population : 37,045 (2020)
Country : United States of America
State : Illinois (United States)
Different from : Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County
Area : 1481 km2
Water as percent of area : 0.6%
Land as percent of area : 99.4%
Named for : Francis Marion
Capital : Salem
Establishment : January 01, 1823
Time Zone : America/Chicago
Local time : 22:03:09 (21st September 2021)
Density : 25 Pop. per km² as of 2020
Population growth : -6.46% (2010-2020)
Weather : 75℉ Chance Showers And Thunderstorms then Showers And Thunderstorms 7-days weather

Marion County has 6 neighbours.

  • Salem

Demographics

According to census records, the population of Marion County decreased by 6.46% in 10 years.

Year Population % Change Method
2010 39,437 - census
2011 39,141 -0.76% estimation process
2012 39,008 -0.34% estimation process
2013 38,669 -0.88% estimation process
2014 38,555 -0.3% estimation process
2015 38,359 -0.51% estimation process
2016 38,045 -0.83% estimation process
2017 37,726 -0.85% estimation process
2018 37,381 -0.92% estimation process
2019 37,205 -0.47% estimation process
2020 37,045 -0.43% estimation process

Comitatul Marion, Comte de Marion, Comté de Marion, Condado de Marion, Condado han Marion, Contea di Marion, Hrabstwo Marion, Marion, Marion Comitatus, Marion Kun, Marion Kūn, Marion konderria, Marion megye, Mariun, Mehrion, Merion, Merion srjan, Okrug Marion, Quan Marion, Quận Marion, ma li ang xian, mari'ona ka'unti, marion jun, mqatʿt marywn, shhrstan marywn aylynwy, Мариън, Меріон, Мэрион, Округ Марион, Մերիոն շրջան, شهرستان ماریون، ایلینوی, ماریون کاؤنٹی، الینوائے, مقاطعة ماريون, میرین کاؤنٹی، الینوۓ, মারিওন কাউন্টি, マリオン郡, 馬里昂縣

People born in Marion County (3)

People born in Marion County, including United States federal judge Fred Louis Wham, Stephen French, judge Robert H. Loofbourrow, you can see a list of people who born in Marion County.

Other places with the same name (17)

Marion County Populated Places (more)

Cities, Towns, Neighborhoods & Other Populated Places in Marion County.

City Name Population Title
Centralia 12,142 Township in Marion County, Illinois
Salem 6,952 City in Illinois
Vernon 5,138 Village in Illinois, United States
Sandoval 1,205 Village in Marion County, Illinois, United States
Wamac 1,117 City in Marion County, Illinois, United States
Central City 1,107 City in Illinois, USA
Odin 1,004 Village in Illinois
Kinmundy 919 Township in Marion County, Illinois
Tonti 903 Township in Marion County, Illinois
Patoka 544 Township in Marion County, Illinois
Iuka 495 Township in Marion County, Illinois
Alma 485 City in Illinois, USA
Junction City 468 Human settlement in Illinois, United States of America
Omega 466 Township in Marion County, Illinois
Hickory Hill 398 City in Cook County, Illinois, United States
Kell 204 Human settlement in Illinois, United States of America

Illinois Other Counties (more counties)

County Name Population Title
Cook County 5,108,284 County in Illinois, United States
Chicago 2,677,643 City and county seat of Cook County, Illinois, United States
DuPage County 917,481 County in Illinois, United States
Lake County 693,593 County in Oregon, United States
Will County 688,726 County in Illinois, United States
Kane County 531,010 County in southern Utah, United States
Markham 328,966 City in Cook County, Illinois, United States
McHenry County 305,888 County in Illinois, United States
Winnebago County 281,295 County in Illinois, United States
Madison County 262,635 County in Montana, United States
Saint Clair County 258,046 The County of St.
Champaign County 209,192 County in Illinois, United States
Aurora 196,383 City in Kane County, Illinois, United States
Sangamon County 193,882 County in Illinois, United States
Peoria County 177,652 County in Illinois, United States of America
McLean County 171,256 County in North Dakota, United States