Home  →    →    →  Administrative Division
Show Map

Illinois

State in USA

Contents: Subdivision

The population development in Illinois as well as related information and services (Wikipedia, Google, images).

NameStatusPopulation
Census
1990-04-01
Population
Census
2000-04-01
Population
Census
2010-04-01
Population
Estimate
2017-07-01
IllinoisState11,430,60212,419,92712,831,56512,802,023
AdamsCounty66,09068,26167,10366,234
AlexanderCounty10,6269,5838,2386,315
BondCounty14,99117,63617,76816,948
BooneCounty30,80641,78854,16753,513
BrownCounty5,8366,9526,9376,716
BureauCounty35,68835,49634,97833,243
CalhounCounty5,3225,0795,0894,833
CarrollCounty16,80516,67115,38814,518
CassCounty13,43713,69113,63812,505
ChampaignCounty173,025179,687201,081209,399
ChristianCounty34,41835,38034,80033,102
ClarkCounty15,92116,99516,33515,767
ClayCounty14,46014,41713,81513,269
ClintonCounty33,94435,53637,76237,614
ColesCounty51,64453,21053,87351,979
CookCounty5,105,0445,376,7415,195,0755,211,263
CrawfordCounty19,46420,46019,81718,961
CumberlandCounty10,67011,31111,04810,908
DeKalbCounty77,93288,941105,160104,733
De Witt (DeWitt)County16,51616,80216,56115,942
DouglasCounty19,46419,90919,98219,748
DuPageCounty781,689904,594916,769930,128
EdgarCounty19,59519,64318,57617,328
EdwardsCounty7,4406,9786,7216,486
EffinghamCounty31,70434,26734,24234,132
FayetteCounty20,89321,81022,14221,784
FordCounty14,27514,22714,08113,280
FranklinCounty40,31939,02139,98939,041
FultonCounty38,08038,24437,06935,110
GallatinCounty6,9096,4265,5895,080
GreeneCounty15,31714,76613,88613,174
GrundyCounty32,33737,52850,07450,586
HamiltonCounty8,4998,6138,4578,194
HancockCounty21,37320,17119,10418,020
HardinCounty5,1894,7934,3204,046
HendersonCounty8,0968,1767,3286,795
HenryCounty51,15951,03250,48549,328
IroquoisCounty30,78731,34029,71827,876
JacksonCounty61,06759,60760,21858,284
JasperCounty10,60910,1139,6989,578
JeffersonCounty37,02040,05138,82538,179
JerseyCounty20,53921,64922,98521,941
Jo DaviessCounty21,82122,29622,67721,594
JohnsonCounty11,34712,87712,58212,900
KaneCounty317,471404,508515,378534,667
KankakeeCounty96,255103,825113,449109,605
KendallCounty39,41354,539114,805126,218
KnoxCounty56,39355,84252,91950,638
LakeCounty516,418644,682703,395703,520
LaSalleCounty106,913111,599113,915110,067
LawrenceCounty15,97215,44916,90316,168
LeeCounty34,39236,06236,03134,406
LivingstonCounty39,30139,73438,95036,518
LoganCounty30,79831,19930,30529,245
MaconCounty117,206114,690110,768105,801
MacoupinCounty47,67949,00847,76545,446
MadisonCounty249,238259,019269,328265,428
MarionCounty41,56141,67839,43737,902
MarshallCounty12,84613,15912,64011,730
MasonCounty16,26916,03414,66613,715
MassacCounty14,75215,16315,42914,344
McDonoughCounty35,24432,90632,61230,823
McHenryCounty183,241259,524308,820309,122
McLeanCounty129,180150,384169,572172,290
MenardCounty11,16412,48312,70512,245
MercerCounty17,29016,94016,43415,618
MonroeCounty22,42227,62532,95734,097
MontgomeryCounty30,72830,64630,10428,790
MorganCounty36,39736,62735,55133,798
MoultrieCounty13,93014,28814,84614,688
OgleCounty45,95751,00153,49751,063
PeoriaCounty182,827183,466186,494183,011
PerryCounty21,41223,09122,35021,285
PiattCounty15,54816,38516,72716,445
PikeCounty17,57717,36216,43015,821
PopeCounty4,3734,3974,4704,325
PulaskiCounty7,5237,3336,1615,509
PutnamCounty5,7306,0776,0065,727
RandolphCounty34,58333,89733,47632,423
RichlandCounty16,54516,29116,23315,901
Rock IslandCounty148,723149,390147,546144,808
SalineCounty26,55126,75224,91324,102
SangamonCounty178,386188,974197,465196,452
SchuylerCounty7,4987,1817,5447,035
ScottCounty5,6445,5395,3555,002
ShelbyCounty22,26122,88422,36321,719
StarkCounty6,5346,3305,9945,434
St. ClairCounty262,852256,043270,063262,479
StephensonCounty48,05248,99547,71145,054
TazewellCounty123,692128,465135,394133,526
UnionCounty17,61918,31117,80817,000
VermilionCounty88,25783,92981,62577,909
WabashCounty13,11112,93211,94711,489
WarrenCounty19,18118,73617,71017,167
WashingtonCounty14,96515,15014,71614,030
WayneCounty17,24117,14916,76016,495
WhiteCounty16,52215,38114,66513,938
WhitesideCounty60,18660,66258,49856,118
WillCounty357,313502,211677,520692,661
WilliamsonCounty57,73361,30066,36267,328
WinnebagoCounty252,913278,441295,264284,778
WoodfordCounty32,65335,49138,66438,726
USA [United States of America]Federal Republic248,709,873281,421,906308,758,105325,719,178

Source: US Census Bureau (web).

Explanation: 2000 population in the boundaries of 2010. 2010 and 2017 population in the boundaries of 2017.


Further Population Figures:

Gender (E 2016)
Males6,291,791
Females6,509,748
Age Groups (E 2016)
0-14 years2,412,416
15-64 years8,517,859
65+ years1,871,264
Age Distribution (E 2016)
0-9 years1,578,516
10-19 years1,678,029
20-29 years1,780,645
30-39 years1,726,837
40-49 years1,638,038
50-59 years1,758,330
60-69 years1,406,140
70-79 years751,234
80+ years483,770
»Race« (E 2016)
White9,885,382
Black/African American1,877,776
Indigenous75,564
Asian708,794
Pacific Islander8,276
2 or more245,747
Ethnicity (E 2016)
Hispanic or Latino2,181,439
Other10,620,100