Madison County, Illinois

Madison County: County in Montana, United States

About

Madison County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 269,282 and a population density of 29 people per km². After 10 years in 2020 county had an estimated population of 262,635 inhabitants. Its county seat is Virginia City. The county was created 159 years ago in 1864.

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

Quick Facts about Madison County

Population : 262,635 (2020)
Country : United States of America
State : Illinois (United States)
Different from : Madison County, Madison County, Madison County, Madison County, Madison County, Madison County, Madison County, Madison County, Madison County, Madison Parish, Madison County, Madison County, Madison County, Madison County, Madison County, Madison County, Madison County, Madison County, Madison County
Area : 9331 km2
Water as percent of area : 0.4%
Land as percent of area : 99.6%
Named for : James Madison
Altitude : 541 feet / 165 meters
Capital : Virginia City
Establishment : January 01, 1865
Time Zone : America/Chicago
Local time : 01:30:23 (7th November 2024)
Density : 28 Pop. per km² as of 2020
Population growth : -2.53% (2010-2020)
Virginia City  Montana image
Virginia City Montana
Virginia City  Montana image

Geography

Madison County is located at 38°49'47"N 89°54'19"W (38.8298500, -89.9051700). It has 5 neighbors: Fremont County, Beaverhead County, Gallatin County, Jefferson County and Silver Bow County.

Madison County map

The largest city of Madison County is Upper Alton with a population of 29,251. Other cities include, Alton population 26,049, Edwardsville population 25,189, Collinsville population 24,217 and Troy population 10,399. See all Madison County cities & populated places.

Madison County Populated Places (more)

Cities, towns, neighborhoods & other populated places in Madison County.

City Name Population Title
Upper Alton 29,251 City in Madison County, Illinois, United States of America
Alton 26,049 City in Madison County, Illinois, United States
Granite City 25,662 Township in Madison County, Illinois
Edwardsville 25,189 City in Madison County, Illinois, United States
Collinsville 24,217 City in Illinois
Godfrey 17,393 Village in Madison County, Illinois, United States
Glen Carbon 12,887 Village in Illinois, United States
Nameoki 12,056 Township in Madison County, Illinois
Troy 10,399 City in Madison County, Illinois, United States
Highland 10,017 City in Madison County, Illinois, United States
Wood River 10,002 City in Illinois, United States
Bethalto 9,201 Village in Illinois
Maryville 7,959 City in Illinois, United States of America
Newport 6,630 Neighborhood in Madison, Illinois, USA
East Alton 5,922 City in Illinois, United States of America
Pontoon Beach 5,655 Town

Madison County has 5 neighbours.

  • Virginia City

Demographics

According to census records, the population of Madison County decreased by 2.53% in 10 years.

Year Population % Change Method
2010 269,282 - census
2011 268,636 -0.24% estimation process
2012 268,072 -0.21% estimation process
2013 267,268 -0.3% estimation process
2014 266,566 -0.26% estimation process
2015 265,996 -0.21% estimation process
2016 265,641 -0.13% estimation process
2017 265,251 -0.15% estimation process
2018 264,026 -0.46% estimation process
2019 262,966 -0.4% estimation process
2020 262,635 -0.13% estimation process

Comitatul Madison, Comte de Madison, Comté de Madison, Condado de Madison, Condado han Madison, Contea di Madison, Hrabstwo Madison, Madison, Madison Comitatus, Madison Kun, Madison Kūn, Madison konderria, Madison megye, Madisun, Medison, Medison srjan, Mehdison, Okrug Medison, Quan Madison, Quận Madison, madison jun, mai di xun xian, medisana ka'unti, mqatʿt madyswn, shhrstan mdysn aylynwy, Мадисън, Медісон, Мэдисон, Округ Медисон, Մեդիսոն շրջան, شهرستان مدیسن، ایلینوی, مقاطعة ماديسون, میڈیسن کاؤنٹی، الینوائے, میڈیسن کاؤنٹی، الینوۓ, মেডিশন কাউন্টি, マディソン郡, 麥迪遜縣

Other places with the same name (19)

Illinois Other Counties (more counties)

County Name Population Title
Cook County 5,108,284 County in Illinois, United States
Chicago 2,677,643 The third most populous city in the United States and the center of the Chicago metropolitan area.
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
McHenry County 305,888 County in Illinois, United States
Winnebago County 281,295 County in Illinois, United States
Saint Clair County 258,046 The County of St.
Champaign County 209,192 County in Illinois, United States
Aurora 196,383 The second most populous city in Illinois.
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
Naperville 147,986 The second most populous city in Illinois.
Rockford 144,835 The second most populous city in Illinois.