Cook County, Illinois Population 2019

Cook County, Illinois's estimated population is 5,211,263 with a growth rate of -0.38% in the past year according to the most recent United States census data. Cook County, Illinois is the largest county in Illinois.

Year Population Growth Growth Rate
20175,211,263-20,093-0.38%
20165,231,356-14,475-0.28%
20155,245,831-7,925-0.15%
20145,253,7563,2580.06%
20135,250,49813,3240.25%
20125,237,17420,1250.39%
20115,217,04917,5720.34%
20105,199,47794,4101.85%
19905,105,067-148,588-2.83%
19805,253,655-238,714-4.35%
19705,492,369362,6447.07%
19605,129,725620,93313.77%
19504,508,792445,45010.96%
19404,063,34281,2192.04%
19303,982,123929,10630.43%
19203,053,017647,78426.93%
19102,405,233566,49830.81%
19001,838,735646,81354.27%
18901,191,922584,39896.19%
1880607,524257,55873.60%
1870349,966205,012141.43%
1860144,954101,569234.11%
185043,38533,184325.30%
184010,2010.00%

Cook County, Illinois Population Growth

Population Data via

Population by Race

Race Population
White2,966,732
Black or African American1,242,179
Some Other Race517,175
Asian366,098
Two or More Races130,599
American Indian and Alaska Native13,972
Native Hawaiian and Other Pacific Islander1,786

Data via US Census (2017 ACS 5-Year Survey): Table B03002

Cook County, Illinois Population Pyramid 2019

50,000100,000150,000200,000 Male Population50,000100,000150,000200,000 Female Population80757065605550454035302520151050

Data via US Census (2017 ACS 5-Year Survey): Table S0101

Cook County, Illinois Median Age

36.4


Total

35.2


Male

37.6


Female

Cook County, Illinois Adults

There are 4,064,766 adults, (708,546 of whom are seniors) in Cook County, Illinois.

Cook County, Illinois Age Dependency

56.1

Age Dependency Ratio

21.1

Old Age Dependency Ratio

35

Child Dependency Ratio

Cook County, Illinois Sex Ratio

Female

2,697,837

51.50%

Male

2,540,704

48.50%

Cook County, Illinois Households and Families

Cook County, Illinois Renter vs Owner Occupied by Household Type

Data via US Census (2017 ACS 5-Year Survey): Table S1101

Cook County, Illinois Household Types

Type Owner Renter
Married75.7%24.3%
All56.9%43.1%
Male49.9%50.1%
Female43.4%56.6%
Non Family43.1%56.9%

56.9%

Rate of Home Ownership

Cook County, Illinois Households by Type

Type Count Average Size Owned
All1,956,5612.6356.9
Married802,4163.4675.7
Non Family773,6101.2743.1
Female284,0453.6643.4
Male96,4903.6449.9

3.44

Average Family Size

2.63

Average Household Size

5.3%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Cook County, Illinois Households

Cook County, Illinois Education

Cook County, Illinois Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade251,2027.02%
9th to 12th Grade243,2096.80%
High School Graduate841,48023.51%
Some College678,34518.95%
Associates Degree233,5906.53%
Bachelors Degree796,54722.26%
Graduate Degree534,40914.93%

Cook County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White1,714,4411,616,721861,216
Black808,145697,225174,657
Hispanic748,374491,483108,701
Other Race294,728175,95630,212
Asian267,080240,434165,639
Multiple Races57,62051,42225,331
Native American9,5597,1652,062
Islander1,2551,110362

The highest rate of high school graduation is among white people with a rate of 94.30%.

The highest rate of bachelors degrees is among white people with a rate of 62.02%.

Cook County, Illinois Earnings by Educational Attainment

Name Average Male Female
Overall$40,951$46,111$35,936
Less Than High School$22,834$26,196$18,649
High School Grad$29,303$32,579$23,987
Some College$35,220$41,409$30,365
Bachelors Degree$54,986$64,024$48,423
Graduate Degree$73,244$89,164$62,648

$40,951

Average Earnings

$46,111

Average Male

$35,936

Average Female

Cook County, Illinois Language

Cook County, Illinois Language by Age

Cook County, Illinois Language

64.93% of Cook County, Illinois residents speak only English, while 35.07% speak other languages. The largest non-English language is Spanish, which is spoken by 20.63% of the population.

Cook County, Illinois Poverty

Cook County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
Black1,215,898337,30427.74%
Hispanic1,299,663250,97219.31%
White2,196,192176,4488.03%
Other513,361105,06920.47%
Asian359,41645,45912.65%
Multiple128,06621,32116.65%
Native13,8292,76119.97%
Islander1,72520411.83%

15.95%

Overall Poverty Rate

14.55%

Male Poverty Rate

17.26%

Female Poverty Rate

Poverty in Cook County, Illinois

The race most likely to be in poverty in Cook County, Illinois is Black, with 27.74% below the poverty level.

The race least likely to be in poverty in Cook County, Illinois is White, with 8.03% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.75%. Among those working part-time, it was 17.24%, and for those that did not work, the poverty rate was 26.74%.

Cook County, Illinois Poverty Rate by Education

Name Poverty
Less Than High School24.98%
High School16.95%
Some College12.57%
Bachelors or Greater5.64%

Cook County, Illinois Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed38.62%
Male Unemployed31.40%
Female Employed7.56%
Male Employed5.75%

Cook County, Illinois Income

Cook County, Illinois Income by Household Type

Name Median Mean
Households$59,426$86,872
Families$73,012$103,389
Married Families$93,343$126,531
Non Families$40,391$59,103

Cook County, Illinois Marital Status

Cook County, Illinois Marital Status

Marriage Rates

42.0%

Overall Marriage Rate

44.4%

Male Marriage Rate

39.7%

Female Marriage Rate

Cook County, Illinois Married by Age and Sex

Cook County, Illinois Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 45To54.

Cook County, Illinois Marital Status by Race


Data via US Census (2017 ACS 5-Year Survey): Table S1201

Cook County, Illinois Veterans

Cook County, Illinois Veterans by War

172,838

Number of Veterans

160,564

Male Veterans

12,274

Female Veterans

Name Veterans
Vietnam60,282
First Gulf War23,868
Korea19,895
Second Gulf War19,533
World War II12,417

Cook County, Illinois Veterans by Age

Name Veterans
75+50,578
65 to 7447,470
35 to 5435,196
55 to 6427,175
18 to 3412,419

Cook County, Illinois Veterans by Race

Name Veterans % of Total
White109,4244.59%
Black52,2655.56%
Hispanic14,0251.56%
Other4,3101.22%
2 or More3,2794.50%
Asian2,9160.97%
Indian4774.37%
Hawaiian16712.35%

Cook County, Illinois Veterans by Education

8.44%

Veteran Poverty Rate

28.49%

Veteran Disability Rate

Cook County, Illinois Employment Status

Cook County, Illinois Employment by Age

65.9%

Labor Force Participation

60.1%

Employment Rate

8.7%

Unemployment Rate

Cook County, Illinois Employment by Race

Cook County, Illinois Employment by Education

Population of Cities in Cook County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Chicago 2695620270495893380.35%
Elgin 10816911212339543.66%
Cicero8424182992-1249-1.48%
Arlington Heights75089755254360.58%
Evanston74485748954100.55%
Schaumburg 74229744462170.29%
Palatine68551687662150.31%
Skokie6484564270-575-0.89%
Orland Park 566645886221983.88%
Des Plaines5838558141-244-0.42%
Tinley Park 568225683190.02%
Oak Lawn5669056257-433-0.76%
Berwyn5665355748-905-1.60%
Mount Prospect5417754171-6-0.01%
Oak Park5187851774-104-0.20%
Hoffman Estates 5188651738-148-0.29%
Glenview447194747527566.16%
Elmhurst 441364638722515.10%
Buffalo Grove 4144241346-96-0.23%
Bartlett 4120241178-24-0.06%
Streamwood39839401663270.82%
Wheeling 37642383156731.79%
Hanover Park 3795638044880.23%
Park Ridge3747937496170.05%
Calumet City3711636732-384-1.03%
Woodridge 32977334764991.51%
Northbrook33197334212240.67%
Elk Grove Village 3312532931-194-0.59%
Chicago Heights3036730026-341-1.12%
Niles2980629617-189-0.63%
Burbank2892528886-39-0.13%
Lansing2835128086-265-0.93%
Oak Forest2795427792-162-0.58%
Wilmette27058272191610.60%
Melrose Park2541425229-185-0.73%
Harvey2526424947-317-1.25%
Elmwood Park2488324626-257-1.03%
Homer Glen 24232244812491.03%
Rolling Meadows2409524021-74-0.31%
Maywood2410023756-344-1.43%
Blue Island2370123401-300-1.27%
Morton Grove2324523227-18-0.08%
Dolton2307422891-183-0.79%
Roselle 2272122814930.41%
South Holland2201421817-197-0.89%
Park Forest 2197921785-194-0.88%
Evergreen Park1984819637-211-1.06%
Homewood1930719175-132-0.68%
Alsip1927119158-113-0.59%
Bellwood1905519107520.27%
Matteson 1902619097710.37%
Deerfield 18245190007554.14%
Frankfort 177881885710696.01%
Brookfield1897418753-221-1.16%
Bensenville 183521835530.02%
Franklin Park1831118110-201-1.10%
Hinsdale 16822176318094.81%
Palos Hills1748017410-70-0.40%
Lemont 16054168958415.24%
Country Club Hills1654416637930.56%
Westchester1671516563-152-0.91%
Bridgeview1644416248-196-1.19%
Prospect Heights1626016242-18-0.11%
La Grange1555015610600.39%
Midlothian1481514699-116-0.78%
Norridge1457214498-74-0.51%
Chicago Ridge1430414236-68-0.48%
Hickory Hills1404913992-57-0.41%
Forest Park1417113982-189-1.33%
Hazel Crest1400913892-117-0.84%
Richton Park1363313557-76-0.56%
La Grange Park1358013483-97-0.71%
Riverdale1354913398-151-1.11%
Western Springs12948133914433.42%
Justice1292612844-82-0.63%
Markham1253312565320.26%
Lincolnwood1259012527-63-0.50%
Palos Heights1251712438-79-0.63%
Winnetka12198124172191.80%
Northlake1232512391660.54%
Schiller Park1179311692-101-0.86%
Summit11054113142602.35%
River Forest1117211088-84-0.75%
Crestwood1095110891-60-0.55%
Burr Ridge 10569107802112.00%
Worth1078910681-108-1.00%
Lyons1073310621-112-1.04%
Sauk Village 1055310438-115-1.09%
Barrington 1031810312-6-0.06%
River Grove1024610134-112-1.09%
Steger 95679456-111-1.16%
Flossmoor94419362-79-0.84%
Lynwood902691591331.47%
Glenwood89908911-79-0.88%
Glencoe872088941742.00%
Riverside88758748-127-1.43%
Harwood Heights86088549-59-0.69%
Crete 82528171-81-0.98%
Hillside81628081-81-0.99%
Oak Brook 788380701872.37%
Broadview79197823-96-1.21%
Calumet Park78317787-44-0.56%
Inverness740075411411.91%
Orland Hills72107184-26-0.36%
University Park 71197052-67-0.94%
Stickney67866722-64-0.94%
North Riverside66726598-74-1.11%
Countryside58825947651.11%
Posen59825929-53-0.89%
Willow Springs56655648-17-0.30%
Robbins533754601232.30%
Northfield54325456240.44%
Berkeley52075148-59-1.13%
South Barrington456949153467.57%
Olympia Fields49214913-8-0.16%
Stone Park49464883-63-1.27%
Palos Park48394838-1-0.02%
Hometown43494298-51-1.17%
Barrington Hills 4219422120.05%
Burnham42064170-36-0.86%
Rosemont42064169-37-0.88%
South Chicago Heights41434102-41-0.99%
Indian Head Park38163802-14-0.37%
Deer Park 3193373153816.85%
Dixmoor36493561-88-2.41%
East Dundee 2868318231410.95%
Ford Heights27702754-16-0.58%
Kenilworth25082520120.48%
Thornton23862461753.14%
Phoenix19741947-27-1.37%
Merrionette Park19001866-34-1.79%
Hodgkins18971848-49-2.58%
East Hazel Crest15451532-13-0.84%
Forest View698684-14-2.01%
Bedford Park589582-7-1.19%
Golf49349410.20%
McCook22822800.00%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990