Population.us > Counties > Illinois > Cook County

Population of Cook County

Last official estimated population of Cook County was 5,198,716 (year 2014)[1]. This was 1.63% of total US population and 40.4% of total Illinois state population. Area of Cook County is 1,634.8 mi² (=4234 km²), in this year population density was 3,180.10 p/mi². If population growth rate would be same as in period 2010-2014 (+0.02%/yr), Cook County population in 2017 would be 5,201,749 [0].


Historical population

Historical population of Cook County for period 1840-2014 [1] , [2] , [3]:

Maps: Population, population density, population changes

Estimated population for 2014[1]. Population density is in p./sq.mi [4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are approx. 2012 [5]. Click on flag to hide it.

PopulationDensityChangesLegendsPosition

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Annual growth rate

[1840-1850] +15.58 %/yr
[1850-1860] +12.82 %/yr
[1860-1870] +9.21 %/yr
[1870-1880] +5.67 %/yr
[1880-1890] +6.97 %/yr
[1890-1900] +4.43 %/yr
[1900-1910] +2.72 %/yr
[1910-1920] +2.41 %/yr
[1920-1930] +2.69 %/yr
[1930-1940] +0.2 %/yr
[1940-1950] +1.05 %/yr
[1950-1960] +1.3 %/yr
[1960-1970] +0.69 %/yr
[1970-1980] -0.44 %/yr
[1980-1990] -0.29 %/yr
[1990-2000] +0.52 %/yr
[2000-2005] -0.64 %/yr
[2005-2010] -0.05 %/yr
[2010-2014] +0.02 %/yr

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Demography

Population of Cook County by age groups male (M) and female (F)[1b]

Age Gr. (M) (F) Total
0 to 4 172244 166330 338,574
5 to 9 165762 161075 326,837
10 to 14 164417 159664 324,081
15 to 19 165424 161463 326,887
20 to 24 181615 184173 365,788
25 to 29 214718 220044 434,762
30 to 34 207976 211691 419,667
35 to 39 181065 182220 363,285
40 to 44 172892 177603 350,495
45 to 49 166423 170824 337,247
50 to 54 170745 181184 351,929
55 to 59 162800 178791 341,591
60 to 64 133525 152403 285,928
65 to 69 101270 119744 221,014
70 to 74 68353 88963 157,316
75 to 79 47913 67864 115,777
80 to 84 33584 52559 86,143
85+ 31900 67235 99,135

Cook County resident population estimates by Sex, Race, and Hispanic Origin[1b]. For full list of abbrevations see: population.us/about page.

Race Male Female Total
NH 1874422 2061233 3,935,655
WAC 1751735 1783039 3,534,774
WA 1711205 1740618 3,451,823
NHWAC 1129300 1185954 2,315,254
NHWA 1099510 1154534 2,254,044
BAC 603559 720831 1,324,390
H 668204 642597 1,310,801
BA 582223 697117 1,279,340
NHBAC 576765 692319 1,269,084
NHBA 561193 674725 1,235,918
HWAC 622435 597085 1,219,520
HWA 611695 586084 1,197,779
AAC 199501 215306 414,807
NHAAC 192164 207914 400,078
AA 180225 195572 375,797
NHAA 175651 191025 366,676
TOM 46494 49242 95,736
NHTOM 34534 36990 71,524
IAC 34430 34718 69,148
HBAC 26794 28512 55,306
HIAC 23207 21686 44,893
HBA 21030 22392 43,422
IA 20457 19349 39,806
HIA 17489 15918 33,407
NHIAC 11223 13032 24,255
HTOM 11960 12252 24,212
HAAC 7337 7392 14,729
HAA 4574 4547 9,121
NAC 4101 4139 8,240
NHIA 2968 3431 6,399
NHNAC 2121 2215 4,336
NA 2022 1932 3,954
HNAC 1980 1924 3,904
HNA 1456 1404 2,860
NHNA 566 528 1,094

Counties near Cook County

DuPage County population 22.9 mi, 262°
Lake County 31.7 mi, 19°
Will County 35.3 mi, 209°
Kane County 40.4 mi, 274°
Lake County 32.3 mi, 154°
McHenry County 50.9 mi, 305°
Kenosha County 48.7 mi, 13°
Porter County 39.8 mi, 131°
Berrien County 47 mi, 98°
Kendall County 45.7 mi, 242°


Sources, notices

[0] Calculated by population.us from last known population growth rate, not official data.

[1] County population - 2014, retrieved 02/23/2016

[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) retrieved 02/23/2016

[2] County population - 2000-2010, retrieved 02/23/2016

[3] Population of States and Counties of the United States: 1790 to 1992, PDF, 15 Mb, census.gov, retrieved 02/23/2016

[4] County area, latitude longitude data, retrieved 02/23/2016

[5] County boundaries, CSV files on boundaries.us, retrived 03/18/2016

*Putnam Illinois Notes

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