Cook County is located in the state of Illinois, with a total population of 5150233. The land area spans approximately 2447.469694 square miles, contributing to its total area of 4233.922503 square miles.

Cook County Interactive Map

About Cook County, Illinois

Here is some important info of Cook County, Illinois

Cook County, Illinois Population Demographics

As of the last census, Cook County has a total population of 5150233, out of which 2500872 are Male while 2649361 are female.

You can check the total population for every year in the below table:

Year Population
2010 5199016
2011 5219780
2012 5239351
2013 5252875
2014 5254675
2015 5244088
2016 5224272
2017 5200821
2018 5171960
2019 5150233

Race Demographics

Category Percentage
non_hispanic_white_alone_male 20.6%
non_hispanic_white_alone_female 21.4%
black_alone_male 10.8%
black_alone_female 13.0%
asian_alone_male 3.8%
asian_alone_female 4.1%
hispanic_male 13.0%
hispanic_female 12.6%

Age Demographics

Category Percentage
0-4 6.0%
5-9 6.0%
10-14 6.0%
15-19 6.0%
20-24 6.3%
25-29 8.4%
30-34 8.0%
35-39 7.2%
40-44 6.4%
45-49 6.3%
50-54 6.1%
55-59 6.3%
60-64 6.0%
65-69 4.9%
70-74 3.8%
75-79 2.6%
80-84 1.8%
85+ 2.0%

Additional Information

  • Average Income: 62205
  • Number of Police officers: 20947
  • Cook County FIPS code: 17031

To find out what county you are in?, Use our What county am I in? tool now.

Source: Census.gov, Wikipedia.org