Illinois, US

Illinois: State of the United States of America

About

Illinois is a midwestern state located along the Mississippi River between Indiana and Missouri. Its major metropolitan center is Chicago, on the shores of Lake Michigan.

Some key facts about Illinois:

  • Capital: Springfield
  • Population: Around 12.7 million (6th most populous state)
  • Area: 57,914 square miles
  • Nickname: The Prairie State

Northern Illinois is urban and industrial anchored by the Chicago-Joliet-Naperville metropolitan area. Central and Southern Illinois are largely flat prairie lands devoted to agriculture with smaller cities like Peoria, Springfield and Bloomington.

Illinois has a significant transportation network including airports, trains, highways and waterways that support industries like finance, manufacturing, energy, logistics and more. The Port of Chicago links the Midwest to global shipping.

Culturally, Chicago drives music, food, sports and architecture in the state. Illinois offers a blend of midwestern charm and cosmopolitan amenities. The Willis Tower, Navy Pier, Magnificent Mile and Millennium Park highlight Chicago.

Illinois experiences humid summers and cold winters. Outdoor recreation includes Lake Michigan beaches, parks, hiking, boating and urban exploration. Illinois contributes significantly to national politics as a demographic bellwether.

In summary, Illinois offers big city excitement in Chicago alongside rural midwestern heritage. The state’s diversity, central location and economic powerhouse make it a microcosm of America.

Illinois locator map
Location of Illinois

Quick Facts about Illinois

Population : 12,587,530
Country : United States of America
Different from : Illinois County
Head of government : Governor of Illinois
Area : 149998 km2
Water as percent of area : 4.13%
Land as percent of area : 95.87%
Continent : North America
Easternmost point : Point(-87.020833333 42.493611111), Point(-87.497275 38.782655555)
Legislative body : Illinois General Assembly
Named for : Illinois Confederation
Official language : English
Altitude : 597 feet / 182 meters
Capital : Springfield
Establishment : December 12, 1818 (205 years ago)
Time Zone : America/Chicago, Central Time Zone
Local time : 15:12:43 (23rd February 2024)
Seal of Illinois seal image
Seal of Illinois
Seal of Illinois seal image

Geography

Illinois is located at 40°0'1"N 89°15'1"W (40.0003204, -89.2503681). It has 6 neighbors: Missouri, Iowa, Indiana, Michigan, Wisconsin and Kentucky.

Illinois map

The largest city of Illinois is Chicago with a population of 2,677,643. Other cities include, Aurora population 196,383, Naperville population 147,986, Rockford population 144,835 and Springfield population 113,671. See all Illinois cities & populated places.

Largest Cities in Illinois (more)

Cities, Towns, Villages, Neighborhoods & Other Populated Places in Illinois.

City Name Title County Population
Chicago The third most populous city in the United States and the center of the Chicago metropolitan area. Nomós Aitolías kai Akarnanías 2,677,643
Aurora The second most populous city in Illinois. Kane 196,383
Naperville The second most populous city in Illinois. DuPage 147,986
Rockford The second most populous city in Illinois. Winnebago 144,835
Springfield The capital of Illinois and the county seat of Sangamon County. Sangamon 113,671
Elgin The second most populous city in Kane County, Illinois. Kane 110,196
Peoria The third most populous city in Illinois. Peoria 109,428
Bremen A village in Ford County, Illinois. Randolph 106,197
Champaign The most populous city in Champaign County, Illinois. Champaign 89,390
Joliet The second most populous city in Will County, Illinois. Will 85,583
Waukegan The second most populous city in Lake County, Illinois. Lake 85,453
Cicero Town in Illinois Cook 79,727
Bloomington The second most populous city in McLean County, Illinois. McLean 77,132
Arlington Heights Village in Cook County, Illinois, United States; suburb of Chicago, Illinois Cook 75,101
Bolingbrook Town in Illinois Will 74,025
Evanston A city in Cook County, Illinois. Cook 72,683

Show more Illinois cities and populated places

  • Bruce Rauner , 14 January, 2019 2015-01-12T00:00:00Z Republican Party
  • J.B. Pritzker , 2019-01-14T00:00:00Z Democratic Party

Illinois has 6 neighbours.

  • Missouri state of the United States of America
  • Iowa midwestern state in the United States
  • Indiana state of the United States of America
  • Michigan state of the United States of America
  • Wisconsin state of the United States of America
  • Kentucky state of the United States of America

  • Jersey County
  • Hardin County
  • Lawrence County
  • Jefferson County
  • Henry County
  • Saline County
  • Kankakee County
  • Vermilion County
  • Pope County
  • Piatt County
  • Winnebago County
  • Jo Daviess County
  • LaSalle County
  • Kane County
  • Stephenson County
  • Hamilton County
  • Stark County
  • Sangamon County
  • Macoupin County
  • Rock Island County
  • Johnson County
  • Montgomery County
  • Logan County
  • McDonough County
  • Pike County
  • McHenry County
  • Scott County
  • Washington County
  • Hancock County
  • Lake County
  • Henderson County
  • Jackson County
  • Madison County
  • Marion County
  • Richland County
  • Shelby County
  • Wayne County
  • Livingston County
  • Will County
  • Wabash County
  • Kendall County
  • Massac County
  • Woodford County
  • Mason County
  • Iroquois County
  • Schuyler County
  • Putnam County
  • Union County
  • Williamson County
  • Perry County
  • Warren County
  • Macon County
  • Moultrie County
  • Monroe County
  • Lee County
  • Morgan County
  • Mercer County
  • Ogle County
  • Grundy County
  • Pulaski County
  • Whiteside County
  • Tazewell County
  • Peoria County
  • Randolph County
  • White County
  • Menard County
  • Knox County
  • Marshall County
  • Jasper County
  • St. Clair County
  • McLean County
  • Carroll County
  • DeWitt County
  • Cumberland County
  • Adams County
  • Crawford County
  • Calhoun County
  • Greene County
  • Clay County
  • Coles County
  • Ford County
  • Fayette County
  • DuPage County
  • DeKalb County
  • Brown County
  • Effingham County
  • Bureau County
  • Franklin County
  • Champaign County
  • Cook County
  • Clark County
  • Boone County
  • Cass County
  • Clinton County
  • Edgar County
  • Douglas County
  • Alexander County
  • Christian County
  • Edwards County
  • Bond County
  • Fulton County
  • Gallatin County

Demographics

Year Population % Change Method
1910 5,638,591 - census
1920 6,485,280 13.06% census
1930 7,630,654 15.01% census
1940 7,897,241 3.38% census
1950 8,712,176 9.35% census
1960 10,081,158 13.58% census
1970 11,113,976 9.29% census
1980 11,426,518 2.74% census
1990 11,430,602 0.04% census
2000 12,419,293 7.96% census
2010 12,830,632 3.21% census
2011 12,867,454 0.29% estimation process
2012 12,882,510 0.12% estimation process
2013 12,895,129 0.1% estimation process
2014 12,884,493 -0.08% estimation process
2015 12,858,913 -0.2% estimation process
2016 12,820,527 -0.3% estimation process
2017 12,778,828 -0.33% estimation process
2018 12,723,071 -0.44% estimation process
2019 12,671,821 -0.4% estimation process
2020 12,587,530 -0.67% estimation process

Estado de Illinois, Illinois, Illinojs, State of Illinois, Иллинойс

People born in Illinois (200)

People born in Illinois, including writer Wallace Wattles, film writer and director James Edward Grant, designer Gordon Buehrig, .

List

  • Louis Diage (set decorator) he was born in 22/07/1905
  • Beast (Fictonal comic book character)
  • Harold Lasswell (American political scientist) he was born in 13/02/1902
  • Tex Williams (American musician (1917-1985)) he was born in 23/08/1917
  • Don Marquis (American writer) he was born in 29/07/1878
  • Samuel Putnam (American translator and scholar of Romance languages) he was born in 10/10/1892
  • Ashton C. Shallenberger (American politician (1862-1938)) he was born in 23/12/1862
  • Cynthia Ann Parker (American kidnapped by the Comanches) she was born in 01/01/1827
  • Jonatha Brooke (American musician) she was born in 23/01/1964
  • Floyd Davis (racing driver) he was born in 05/03/1909
  • Mary Alice McWhinnie (American biologist) she was born in 10/08/1922
  • Richard Allan (American actor (1923-1999)) he was born in 22/06/1923
  • John Miller (American entrepreneur) he was born in 01/01/1872
  • Marcia Moretto (Argentinian dancer) she was born in 18/07/1946
  • Charles Thias (American tug-of-war competitor) he was born in 15/11/1879
  • Raphael Tracey (American soccer player (1904-1975)) he was born in 06/02/1904
  • Robby Steinhardt (American musician) he was born in 25/05/1950
  • W. Ryerson Johnson (American writer) he was born in 19/10/1901

Illinois Counties (more)

Cook County
Cook County

Cook County, county in Illinois, United States

DuPage County
DuPage County

DuPage County, county in Illinois, United States

Lake County
Lake County

Lake County, county in Oregon, United States

County Name Population
Cook County 5,108,284
DuPage County 917,481
Lake County 693,593
Will County 688,726
Kane County 531,010
McHenry County 305,888
Winnebago County 281,295
Madison County 262,635
Saint Clair County 258,046
Champaign County 209,192
Sangamon County 193,882
Peoria County 177,652
McLean County 171,256
Rock Island County 140,907
Tazewell County 130,777
Kendall County 130,638

Show more Illinois counties

Map & Images (more maps)

Map of Illinois Na 1
Map of Illinois Na 1
Illinois Regions Map
Illinois Regions Map
Illinois Flag Map
Illinois Flag Map
Counties Map of Illinois
Counties Map of Illinois
Illinois Relief Map
Illinois Relief Map
Illinois Transport Map
Illinois Transport Map
Where Is Illinois Located
Where Is Illinois Located
Illinois Cities And Towns
Illinois Cities And Towns
Illinois County Map
Illinois County Map
Illinois Reference Map
Illinois Reference Map
Illinois Rivers And Lakes
Illinois Rivers And Lakes
Illinois Plant Hardiness Zone Map
Illinois Plant Hardiness Zone Map