Cook County, Illinois's estimated 2023 population is 5,299,802 with a growth rate of 0.15% in the past year according to the most recent United States census data. Cook County, Illinois is the largest county in Illinois. The 2010 population was 5,194,675 and has seen a growth of 2.02% since that time.
3.33
Average Family Size
2.53
Average Household Size
57.5%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
64.92% of Cook County, Illinois residents speak only English, while 35.08% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 20.59% of the population.
13.48%
Overall Poverty Rate
12.18%
Male Poverty Rate
14.72%
Female Poverty Rate
The race most likely to be in poverty in Cook County, Illinois is Black, with 29.53% below the poverty level.
The race least likely to be in poverty in Cook County, Illinois is White, with 8.54% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.15%. Among those working part-time, it was 15.45%, and for those that did not work, the poverty rate was 24.25%.
Married
Widowed
Divorced
Separated
NeverMarried
42.2%
Overall Marriage Rate
44.5%
Male Marriage Rate
40.2%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
8.58%
Veteran Poverty Rate
28.86%
Veteran Disability Rate
LaborForceParticipation
66.2%
Labor Force Participation
61.3%
Employment Rate
7.3%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
61.53%
Born in Cook County, Illinois
78.8%
Native Born
20.86%
Foreign Born
9.88%
Non Citizen
10.98%
Naturalized
78.8% of Cook County, Illinois residents were born in the United States, with 61.53% having been born in Illinois. 9.88% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.