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 2024 would be 5,208,832 [0].
Historical population of Cook County for period 1840-2014 [1] , [2] , [3]:
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.
Population • Density • Changes • Legends • Position
[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
Looking for settlements in Cook County? Visit this page: Settlements in Cook County, IL
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 |
• 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°
[0] Calculated by population.us from last known population growth rate, not official data.
[1] County population - 2014, archived from the original, retrieved 02/23/2016
[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) archived from the original, retrieved 02/23/2016
[2] County population - 2000-2010, archived from the original, 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
Page generated in 0.002 seconds© 2016 population.us | Terms of use | Contact