Cook County, IL Demographic Data

Cook County, IL Summary

Cook County is located in Illinois
  • Population: 5,231,351
  • Area: 1,634.86 sq. miles
    • Land Area: 945.33 sq. miles
    • Water Area: 689.53 sq. miles
  • Population Density: 3,199.87 people per sq. mile
  • Elevation: 581.36 ft
  • Time Zone: Central Standard Time (GMT -6)
  • Daylight Savings: Yes

Illinois Heat Map by County Population

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Cook County, IL Gender Breakdown

Gender
Number
Percent
National Avg
Female
2,677,020
51%
50.8
Male
2,526,480
49%
49.2
Total Population
5,203,500
 
323,128,000

Cook County, IL Age Breakdown

Age Group
Number
Percent
National Avg
Under 5 Years
327,051
6.3% 
6.1
5 to 9 Years
319,482
6.1% 
6.3
10 to 14 Years
321,365
6.2% 
6.4
15 to 19 Years
318,023
6.1% 
6.7
20 to 24 Years
352,707
6.8% 
6.9
25 to 34 Years
847,524
16.3% 
13.7
35 to 44 Years
703,176
13.5% 
12.6
45 to 54 Years
670,295
12.9% 
13.2
55 to 59 Years
330,689
6.4% 
6.7
60 to 64 Years
307,202
5.9% 
6.1
65 to 74 Years
403,538
7.8% 
8.9
75 to 84 Years
206,727
4.0% 
4.4
85 Years and Over
95,720
1.8% 
1.9
Age Statistics
Number
Percent
National Avg
18 Years and over
4,041,780
77.7%
77.2
Female
2,105,420
52.1%
51.3
Male
1,936,360
47.9%
48.7
21 Years and over
3,854,920
74.1%
73.1
62 Years and over
877,052
16.9%
18.8
65 Years and over
705,985
13.6%
15.2
Female
409,742
58.0%
55.8
Male
296,243
42.0%
44.2
Median Age (years)
37
0.0%
0.0

Cook County, IL Race Breakdown

Race
Number
Percent
National Avg
One Race
5,068,580
97.4% 
96.8
White
2,919,460
56.1% 
72.6
Black or African American
1,223,760
23.5% 
12.7
American Indian and Alaska Native
14,508
0.3% 
0.8
Asian
371,491
7.1% 
5.4
Asian Indian
120,587
2.3% 
1.2
Chinese
79,877
1.5% 
1.3
Filipino
63,483
1.2% 
0.9
Japanese
13,704
0.3% 
0.2
Korean
32,573
0.6% 
0.4
Vietnamese
15,770
0.3% 
0.6
Other Asian
45,497
0.9% 
0.8
Native Hawaiian and Other Pacific Islander
1,939
0.0% 
0.2
Native Hawaiian
422
0.0% 
0.1
Guamanian or Chamorro
397
0.0% 
0.0
Samoan
545
0.0% 
0.0
Other Pacific Islander
575
0.0% 
0.1
Some Other Race
537,416
10.3% 
5.1
Two or More Races
134,923
2.6% 
3.2
Hispanic Statistics
Number
Percent
National Avg
Hispanic or Latino (of any race)
1,318,880
25.3% 
17.8
Mexican
1,020,520
19.6% 
11.2
Puerto Rican
142,289
2.7% 
1.7
Cuban
17,641
0.3% 
0.7
Other Hispanic or Latino
138,430
2.7% 
4.2
Not Hispanic or Latino
3,884,620
74.7% 
82.2

Cook County, IL Educational Attainment

Education Level
Number
Percent
National Avg
Less than 9th grade
244,069
6.8% 
5.4
9th to 12th grade, no diploma
234,099
6.6% 
7.2
High school graduate (includes equivalent)
832,486
23.4% 
27.2
Some college, no degree
680,718
19.1% 
20.6
Associate's Degree
228,741
6.4% 
8.4
Bachelor's Degree
814,657
22.9% 
19.3
Graduate or professional degree
530,101
14.9% 
11.9
Education Summary
Number
Percent
National Avg
< High School Graduate
478,168
13.4%
12.6
High School Graduate or Higher
3,086,703
86.7%
87.4
Bachelor's Degree or Higher
1,344,758
37.8%
31.2

Cook County, IL Marital Status

Marital Status
Number
Percent
National Avg
Never Married
1,771,983
41.8%
33.7%
Now Married
1,761,981
41.6%
47.5
Divorced
369,839
8.7%
11.0%
Separated
89,262
2.1%
2.0
Widowed
242,536
5.7
5.8%

Cook County, IL Language Spoken at Home

Language
Number
Percent
National Avg
English Only
3,151,730
64.6%
78.4%
Languages other than english
1,724,720
35.4%
21.6%
Spanish
1,023,930
21.0%
13.3%
Other indo-european languages
415,070
8.5%
3.7%
Asian and Pacific islander languages
197,801
4.1%
3.5%
Other Languages
87,921
1.8%
1.1%

Cook County, IL Household Income

Household Income
Number
Percent
National Avg
Less than $10,000
163,613
8.3%
6.7
$10,000 to $14,999
89,127
4.5%
4.8
$15,000 to $24,999
186,473
9.5%
9.7
$25,000 to $34,999
171,204
8.7%
9.5
$35,000 to $49,999
230,509
11.7%
13.0
$50,000 to $74,999
324,899
16.5%
17.7
$75,000 to $99,999
237,123
12.1%
12.3
$100,000 to $149,000
282,071
14.4%
14.0
$150,000 to $199,999
129,170
6.6%
5.8
$200,000 or more
149,784
7.6%
6.4
Median household income
60,046
 
57,617
Per capita income
33,848
 
31,128

Cook County, IL Employment Breakdown

Industry
Number
Percent
National Avg
Agriculture, forestry, fishing, hunting and mining
3,843
0.2%
1.7
Arts, entertainment, recreation, accommodation and food services
253,155
9.9%
9.8
Construction
115,376
4.5%
6.4
Educational services, health care and social assistance
572,921
22.4%
23.0
Finance, insurance, real estate, rental, and leasing
201,776
7.9%
6.6
Information
54,347
2.1%
2.1
Manufacturing
240,898
9.4%
10.1
Other services except public administration
125,970
4.9%
4.9
Professional, scientific, management, administrative and waste management services
373,524
14.6%
11.4
Public administration
94,834
3.7%
4.6
Retail trade
243,796
9.5%
11.5
Transportation, warehousing and utilities
195,719
7.7%
5.2
Wholesale trade
77,550
3.0%
2.7
Occupation
Number
Percent
National Avg
Construction, extraction, maintenance, and repair occupations
151,519
5.9%
8.8%
Management, professional, and related occupations
1,004,680
39.3%
37.6%
Production, transportation, and material moving occupations
347,348
13.6%
12.2%
Sales and office occupations
584,154
22.9%
23.3%
Service occupations
466,003
18.2%
18.1%

Cook County, IL Commute Statistics

Commute Type
Number
Percent
National Avg
Workers 16 Years and over
2,503,620
 
 
Car, truck, or van - drove alone
1,547,230
61.8%
76.3
Car, truck, or van - carpooled
193,240
7.7%
9.0
Public transportation (excluding taxicab)
472,145
18.9%
5.1
Walked
109,174
4.4%
2.7
Other means
65,308
2.6%
1.8
Worked at home
116,524
4.7%
5.0
Mean travel time to work (Minutes)
33.2
 
26.6

Cook County, IL Vehicles per Household

Vehicles per Household
Number
Percent
National Avg
None
355,394
18.1%
8.7
1 vehicles
781,103
39.8%
33.2
2 vehicles
589,452
30.0%
37.1
3 or more
238,024
12.1%
21.0

Cook County, IL Housing Occupancy

Housing Occupancy
Number
Percent
National Avg
Total Housing Units
 
 
Occupied Housing Units
1,963,970
90.0%
87.6
Owner Occupied
1,098,890
56.0%
63.1
Renter Occupied
865,082
44.0%
36.9
Vacant Housing Units
217,663
10.0%
12.4
Homeowner Vacancy Rate
2
0.0%
0.0
Rental Vacancy Rate
5
0.0%
0.0
Average household size of owner-occupied unit
2.8
0.0%
2.7
Average household size of renter-occupied unit
2.4
0.0%
2.5

Cook County, IL Rooms per Residence

Rooms per Residence
Number
Percent
National Avg
Total Housing Units
2,181,640
1 room
85,673
3.9%
2.4
2 rooms
72,459
3.3%
2.7
3 rooms
251,352
11.5%
9.1
4 rooms
402,702
18.5%
16.5
5 rooms
452,515
20.7%
19.8
6 rooms
372,852
17.1%
17.8
7 rooms
220,135
10.1%
12.0
8 rooms
148,231
6.8%
8.6
9 rooms or more
175,717
8.1%
11.1
Median Rooms
5
 
0.0

Cook County, IL Structure Type Statistics

Structure Type
Number
Percent
National Avg
Total Housing Units
2,181,640
 
 
1-unit, detached
881,503
40.4%
61.5
1-unit, attached
114,394
5.2%
5.9
2-units
211,206
9.7%
3.6
3 or 4 units
236,561
10.8%
4.4
5 to 9 units
223,051
10.2%
4.8
10 to 19 units
102,399
4.7%
4.4
20 or more units
397,041
18.2%
9.0
Mobile home
14,550
0.7%
6.2
Boat, RV, van, etc.
931
0.0%
0.1

Cook County, IL Housing Age Statistics

Housing Age
Number
Percent
National Avg
1939 or earlier
633,413
29.0%
12.8%
1940 to 1949
168,032
7.7%
5.0%
1950 to 1959
340,946
15.6%
10.4%
1960 to 1969
293,541
13.5%
10.7%
1970 to 1979
265,980
12.2%
15.3%
1980 to 1989
154,250
7.1%
13.5%
1990 to 1999
131,439
6.0%
13.9%
2000 to 2009
159,461
7.3%
14.2%
2010 to 2013
21,407
1.0%
2.8%
2014 or later
13,167
0.6%
1.4%

Cook County, IL Household Heating

Heating Fuel Type
Number
Percent
National Avg
Utility Gas
1,632,470
83.1%
48.1
Bottled, tank, or LP gas
22,039
1.1%
4.7
Electricity
271,098
13.8%
38.7
Fuel oil, kerosene, etc.
1,260
0.1%
4.8
Coal or coke
625
0.0%
0.1
Wood
737
0.0%
1.9
Solar energy
183
0.0%
0.1
Other fuel
14,237
0.7%
0.5
No fuel used
21,327
1.1%
1.1

Cook County, IL Mortgage Statistics

Mortgage Payments
Number
Percent
National Avg
Housing units with a mortgage
724,972
 
47295100.0
Less than $500
2,950
0.4%
1.6%
$500 to $999
63,890
8.8%
20.4%
$2,500 to $2,999
67,194
9.3%
7.0%
$3,000 or more
95,861
13.2%
10.3%
$2,000 to $2,499
118,046
16.3%
11.8%
$1,000 to $1,499
178,671
24.6%
28.8%
$1,500 to $1,999
198,360
27.4%
20.1%
Mortgage Payment as % of Income
Number
Percent
National Avg
Less than 20.0%
282,260
39.2%
45.4%
20.0% to 24.9%
109,271
15.2%
15.7%
25.0% to 29.9%
79,285
11.0%
10.6%
30.0% to 34.9%
53,577
7.4%
7.0%
35.0% or more
195,677
27.2%
21.3%
Not Computed
4,902
0.0%
0.0%

Cook County, IL Rent Statistics

Rent Payment Amount
Number
Percent
National Avg
Occupied Units Paying Rent
840,378 
 
41,631,300 
$3,000 or more
11,246
1.3%
1.8%
$2,500 to $2,999
14,782
1.8%
1.9%
$2,000 to $2,499
42,547
5.1%
4.4%
Less than $500
72,371
8.6%
10.7%
$1,500 to $1,999
115,353
13.7%
11.9%
$1,000 to $1,499
267,402
31.8%
28.3%
$500 to $999
316,677
37.7%
41.0%
No Cash Rent
24,704
0.0%
2,206,240
Median (Dollars)
1,048
0.0%
981
Rent Payment as % of Income
Number
Percent
National Avg
Less than 15.0%
98,958
12.1%
13.1%
15.0% to 19.9%
117,991
14.5%
12.9%
20.0% to 24.9%
109,425
13.4%
12.8%
25.0% to 29.9%
85,795
10.5%
11.5%
30.0% to 34.9%
68,577
8.4%
9.0%
35.0% or more
334,242
41.0%
40.7%
Not Computed
50,094
0.0%
0.0%

Cook County, IL Property Value

Property Type
Number
Percent
National Avg
Specified Owner-Occupied Units
1,098,890
 
75,022,600
Less then $50,000
36,985
3.4%
7.3%
$50,000 to $99,999
91,489
8.3%
7.3%
$100,000 to $149,000
145,248
13.2%
14.1%
$150,000 to $199,000
183,377
16.7%
14.5%
$200,000 to $299,999
252,956
23.0%
19.2%
$300,000 to $499,999
242,876
22.1%
18.2%
$500,000 to $999,999
116,352
10.6%
10.5%
$1,000,000 or more
29,608
2.7%
3.1%
Median (Dollars)
234,400
 
205,000
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