Home  →    →    →  Administrative Division
Show Map

Illinois (State in USA)

Contents: Subdivision

The population development in Illinois.

NameStatusPopulation
Census
1990-04-01
Population
Census
2000-04-01
Population
Census
2010-04-01
Population
Estimate
2016-07-01
IllinoisState11,430,60212,419,92712,831,57412,801,539
AdamsCounty66,09068,26167,10366,578
AlexanderCounty10,6269,5838,2386,478
BondCounty14,99117,63617,76816,824
BooneCounty30,80641,78854,16753,503
BrownCounty5,8366,9526,9376,762
BureauCounty35,68835,49634,97833,359
CalhounCounty5,3225,0795,0894,894
CarrollCounty16,80516,67115,38814,539
CassCounty13,43713,69113,63812,676
ChampaignCounty173,025179,687201,081208,419
ChristianCounty34,41835,38034,80033,309
ClarkCounty15,92116,99516,33515,938
ClayCounty14,46014,41713,81513,300
ClintonCounty33,94435,53637,76237,729
ColesCounty51,64453,21053,87352,343
CookCounty5,105,0445,376,7415,195,0755,203,499
CrawfordCounty19,46420,46019,81719,308
CumberlandCounty10,67011,31111,04810,858
DeKalbCounty77,93288,941105,160104,528
De Witt (DeWitt)County16,51616,80216,56116,226
DouglasCounty19,46419,90919,98219,630
DuPageCounty781,689904,594916,889929,368
EdgarCounty19,59519,64318,57617,566
EdwardsCounty7,4406,9786,7216,523
EffinghamCounty31,70434,26734,24234,386
FayetteCounty20,89321,81022,14221,789
FordCounty14,27514,22714,08113,575
FranklinCounty40,31939,02139,98939,156
FultonCounty38,08038,24437,06935,536
GallatinCounty6,9096,4265,5895,212
GreeneCounty15,31714,76613,88613,093
GrundyCounty32,33737,52850,06350,437
HamiltonCounty8,4998,6138,4578,061
HancockCounty21,37320,17119,10418,508
HardinCounty5,1894,7934,3204,024
HendersonCounty8,0968,1767,3286,869
HenryCounty51,15951,03250,48549,280
IroquoisCounty30,78731,34029,71828,334
JacksonCounty61,06759,60760,21858,870
JasperCounty10,60910,1139,6989,536
JeffersonCounty37,02040,05138,82538,460
JerseyCounty20,53921,64922,98522,025
Jo DaviessCounty21,82122,29622,67721,770
JohnsonCounty11,34712,87712,58212,902
KaneCounty317,471404,508515,258531,715
KankakeeCounty96,255103,825113,449110,008
KendallCounty39,41354,539114,792124,695
KnoxCounty56,39355,84252,91950,938
LakeCounty516,418644,682703,404703,047
LaSalleCounty106,913111,599113,915110,642
LawrenceCounty15,97215,44916,90316,377
LeeCounty34,39236,06236,03134,251
LivingstonCounty39,30139,73438,95036,526
LoganCounty30,79831,19930,30529,527
MaconCounty117,206114,690110,768106,550
MacoupinCounty47,67949,00847,76545,908
MadisonCounty249,238259,019269,328265,759
MarionCounty41,56141,67839,43738,140
MarshallCounty12,84613,15912,64011,939
MasonCounty16,26916,03414,66613,507
MassacCounty14,75215,16315,42914,658
McDonoughCounty35,24432,90632,61230,996
McHenryCounty183,241259,524308,820307,004
McLeanCounty129,180150,384169,572172,418
MenardCounty11,16412,48312,70512,516
MercerCounty17,29016,94016,43415,730
MonroeCounty22,42227,62532,95734,068
MontgomeryCounty30,72830,64630,10428,952
MorganCounty36,39736,62735,55134,277
MoultrieCounty13,93014,28814,84614,827
OgleCounty45,95751,00153,49751,273
PeoriaCounty182,827183,466186,494185,006
PerryCounty21,41223,09122,35021,357
PiattCounty15,54816,38516,72716,560
PikeCounty17,57717,36216,43015,950
PopeCounty4,3734,3974,4704,157
PulaskiCounty7,5237,3336,1615,619
PutnamCounty5,7306,0776,0065,611
RandolphCounty34,58333,89733,47632,621
RichlandCounty16,54516,29116,23315,930
Rock IslandCounty148,723149,390147,546144,784
SalineCounty26,55126,75224,91324,307
SangamonCounty178,386188,974197,465197,499
SchuylerCounty7,4987,1817,5446,923
ScottCounty5,6445,5395,3555,053
ShelbyCounty22,26122,88422,36321,717
StarkCounty6,5346,3305,9945,776
St. ClairCounty262,852256,043270,063262,759
StephensonCounty48,05248,99547,71145,624
TazewellCounty123,692128,465135,394134,385
UnionCounty17,61918,31117,80817,212
VermilionCounty88,25783,92981,62578,111
WabashCounty13,11112,93211,94711,492
WarrenCounty19,18118,73617,71017,378
WashingtonCounty14,96515,15014,71614,154
WayneCounty17,24117,14916,76016,396
WhiteCounty16,52215,38114,66514,292
WhitesideCounty60,18660,66258,49856,536
WillCounty357,313502,211677,544689,529
WilliamsonCounty57,73361,30066,36267,560
WinnebagoCounty252,913278,441295,264285,873
WoodfordCounty32,65335,49138,66439,140

Source: US Census Bureau (web).

Explanation: 2000 population in the boundaries of 2010. 2010 and 2016 population in the boundaries of 2016.


Further Population Figures:

Gender (E 2015)
Males6,314,495
Females6,545,500
Age Groups (E 2015)
0-17 years2,958,673
18-64 years8,071,045
65+ years1,830,277
Age Distribution (E 2015)
0-9 years1,601,206
10-19 years1,693,521
20-29 years1,786,713
30-39 years1,730,545
40-49 years1,671,522
50-59 years1,787,710
60-69 years1,367,585
70-79 years738,787
80+ years482,406
»Race« (E 2015)
White9,939,733
Black/African American1,888,404
Indigenous75,460
Asian707,192
Pacific Islander8,317
2 or more240,889
Ethnicity (E 2015)
Hispanic or Latino2,175,116
Other10,684,879