St. Clair County, IL Demographic Data
St. Clair County, IL Summary
St. Clair County is located in Illinois
- Population: 268,858
- Area: 674.03 sq. miles
- Land Area: 657.76 sq. miles
- Water Area: 16.27 sq. miles
- Population Density: 398.87 people per sq. mile
- Elevation: 485.24 ft
- Time Zone: Central Standard Time (GMT -6)
- Daylight Savings: Yes
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St. Clair County, IL Gender Breakdown
Gender
Number
Percent
National Avg
Female
135,939
52%
50.8
Male
126,820
48%
49.2
Total Population
262,759
323,128,000
St. Clair County, IL Age Breakdown
Age Group
Number
Percent
National Avg
Under 5 Years
16,800
6.4%
6.1
5 to 9 Years
17,984
6.8%
6.3
10 to 14 Years
17,183
6.5%
6.4
15 to 19 Years
15,895
6.0%
6.7
20 to 24 Years
16,909
6.4%
6.9
25 to 34 Years
34,867
13.3%
13.7
35 to 44 Years
32,710
12.4%
12.6
45 to 54 Years
35,843
13.6%
13.2
55 to 59 Years
19,080
7.3%
6.7
60 to 64 Years
16,966
6.5%
6.1
65 to 74 Years
21,942
8.4%
8.9
75 to 84 Years
10,525
4.0%
4.4
85 Years and Over
6,055
2.3%
1.9
Age Statistics
Number
Percent
National Avg
18 Years and over
200,290
76.2%
77.2
Female
105,516
52.7%
51.3
Male
94,774
47.3%
48.7
21 Years and over
191,372
72.8%
73.1
62 Years and over
48,453
18.4%
18.8
65 Years and over
38,522
14.7%
15.2
Female
22,086
57.3%
55.8
Male
16,436
42.7%
44.2
Median Age (years)
39
0.0%
0.0
St. Clair County, IL Race Breakdown
Race
Number
Percent
National Avg
One Race
255,628
97.3%
96.8
White
168,589
64.2%
72.6
Black or African American
77,768
29.6%
12.7
American Indian and Alaska Native
712
0.3%
0.8
Asian
4,473
1.7%
5.4
Asian Indian
488
0.2%
1.2
Chinese
704
0.3%
1.3
Filipino
865
0.3%
0.9
Japanese
249
0.1%
0.2
Korean
372
0.1%
0.4
Vietnamese
482
0.2%
0.6
Other Asian
1,313
0.5%
0.8
Native Hawaiian and Other Pacific Islander
78
0.0%
0.2
Native Hawaiian
0.1
Guamanian or Chamorro
0.0
Samoan
0.0
Other Pacific Islander
0.1
Some Other Race
4,008
1.5%
5.1
Two or More Races
7,131
2.7%
3.2
Hispanic Statistics
Number
Percent
National Avg
Hispanic or Latino (of any race)
10,429
4.0%
17.8
Mexican
7,975
3.0%
11.2
Puerto Rican
740
0.3%
1.7
Cuban
72
0.0%
0.7
Other Hispanic or Latino
1,642
0.6%
4.2
Not Hispanic or Latino
252,330
96.0%
82.2
St. Clair County, IL Educational Attainment
Education Level
Number
Percent
National Avg
Less than 9th grade
4,544
2.6%
5.4
9th to 12th grade, no diploma
9,961
5.6%
7.2
High school graduate (includes equivalent)
52,707
29.6%
27.2
Some college, no degree
41,432
23.3%
20.6
Associate's Degree
19,474
10.9%
8.4
Bachelor's Degree
29,121
16.4%
19.3
Graduate or professional degree
20,749
11.7%
11.9
Education Summary
Number
Percent
National Avg
< High School Graduate
14,505
8.2%
12.6
High School Graduate or Higher
163,483
91.9%
87.4
Bachelor's Degree or Higher
49,870
28.1%
31.2
St. Clair County, IL Marital Status
Marital Status
Number
Percent
National Avg
Never Married
72,755
34.5%
33.7%
Now Married
95,305
45.2%
47.5
Divorced
25,391
12.0%
11.0%
Separated
5,043
2.4%
2.0
Widowed
12,298
5.8
5.8%
St. Clair County, IL Language Spoken at Home
Language
Number
Percent
National Avg
English Only
229,141
93.2%
78.4%
Languages other than english
16,818
6.8%
21.6%
Spanish
8,608
3.5%
13.3%
Other indo-european languages
6,005
2.4%
3.7%
Asian and Pacific islander languages
1,990
0.8%
3.5%
Other Languages
215
0.1%
1.1%
St. Clair County, IL Household Income
Household Income
Number
Percent
National Avg
Less than $10,000
8,620
8.2%
6.7
$10,000 to $14,999
5,986
5.7%
4.8
$15,000 to $24,999
11,341
10.8%
9.7
$25,000 to $34,999
9,903
9.5%
9.5
$35,000 to $49,999
16,248
15.5%
13.0
$50,000 to $74,999
15,501
14.8%
17.7
$75,000 to $99,999
11,273
10.8%
12.3
$100,000 to $149,000
17,411
16.6%
14.0
$150,000 to $199,999
4,345
4.1%
5.8
$200,000 or more
4,154
4.0%
6.4
Median household income
50,267
57,617
Per capita income
29,723
31,128
St. Clair County, IL Employment Breakdown
Industry
Number
Percent
National Avg
Agriculture, forestry, fishing, hunting and mining
693
0.6%
1.7
Arts, entertainment, recreation, accommodation and food services
13,696
11.3%
9.8
Construction
6,853
5.7%
6.4
Educational services, health care and social assistance
28,355
23.4%
23.0
Finance, insurance, real estate, rental, and leasing
7,025
5.8%
6.6
Information
1,534
1.3%
2.1
Manufacturing
10,550
8.7%
10.1
Other services except public administration
6,503
5.4%
4.9
Professional, scientific, management, administrative and waste management services
11,339
9.4%
11.4
Public administration
8,545
7.0%
4.6
Retail trade
15,998
13.2%
11.5
Transportation, warehousing and utilities
7,954
6.6%
5.2
Wholesale trade
2,171
1.8%
2.7
Occupation
Number
Percent
National Avg
Construction, extraction, maintenance, and repair occupations
8,943
7.4%
8.8%
Management, professional, and related occupations
40,675
33.6%
37.6%
Production, transportation, and material moving occupations
17,310
14.3%
12.2%
Sales and office occupations
29,638
24.5%
23.3%
Service occupations
24,650
20.3%
18.1%
St. Clair County, IL Commute Statistics
Commute Type
Number
Percent
National Avg
Workers 16 Years and over
122,910
Car, truck, or van - drove alone
101,459
82.5%
76.3
Car, truck, or van - carpooled
7,731
6.3%
9.0
Public transportation (excluding taxicab)
4,685
3.8%
5.1
Walked
2,316
1.9%
2.7
Other means
2,013
1.6%
1.8
Worked at home
4,706
3.8%
5.0
Mean travel time to work (Minutes)
25.0
26.6
St. Clair County, IL Vehicles per Household
Vehicles per Household
Number
Percent
National Avg
None
10,278
9.8%
8.7
1 vehicles
38,884
37.1%
33.2
2 vehicles
35,814
34.2%
37.1
3 or more
19,806
18.9%
21.0
St. Clair County, IL Housing Occupancy
Housing Occupancy
Number
Percent
National Avg
Total Housing Units
Occupied Housing Units
104,782
87.9%
87.6
Owner Occupied
66,289
63.3%
63.1
Renter Occupied
38,493
36.7%
36.9
Vacant Housing Units
14,427
12.1%
12.4
Homeowner Vacancy Rate
3
0.0%
0.0
Rental Vacancy Rate
7
0.0%
0.0
Average household size of owner-occupied unit
2.6
0.0%
2.7
Average household size of renter-occupied unit
2.3
0.0%
2.5
St. Clair County, IL Rooms per Residence
Rooms per Residence
Number
Percent
National Avg
Total Housing Units
119,209
1 room
1,257
1.1%
2.4
2 rooms
2,066
1.7%
2.7
3 rooms
7,896
6.6%
9.1
4 rooms
18,820
15.8%
16.5
5 rooms
27,147
22.8%
19.8
6 rooms
24,317
20.4%
17.8
7 rooms
14,439
12.1%
12.0
8 rooms
9,801
8.2%
8.6
9 rooms or more
13,466
11.3%
11.1
Median Rooms
6
0.0
St. Clair County, IL Structure Type Statistics
Structure Type
Number
Percent
National Avg
Total Housing Units
119,209
1-unit, detached
84,362
70.8%
61.5
1-unit, attached
3,636
3.1%
5.9
2-units
4,184
3.5%
3.6
3 or 4 units
6,272
5.3%
4.4
5 to 9 units
7,690
6.5%
4.8
10 to 19 units
3,599
3.0%
4.4
20 or more units
3,464
2.9%
9.0
Mobile home
6,002
5.0%
6.2
Boat, RV, van, etc.
0
0.0%
0.1
St. Clair County, IL Housing Age Statistics
Housing Age
Number
Percent
National Avg
1939 or earlier
15,344
12.9%
12.8%
1940 to 1949
6,771
5.7%
5.0%
1950 to 1959
18,588
15.6%
10.4%
1960 to 1969
13,625
11.4%
10.7%
1970 to 1979
12,173
10.2%
15.3%
1980 to 1989
12,854
10.8%
13.5%
1990 to 1999
15,809
13.3%
13.9%
2000 to 2009
19,372
16.3%
14.2%
2010 to 2013
3,598
3.0%
2.8%
2014 or later
1,075
0.9%
1.4%
St. Clair County, IL Household Heating
Heating Fuel Type
Number
Percent
National Avg
Utility Gas
65,518
62.5%
48.1
Bottled, tank, or LP gas
5,239
5.0%
4.7
Electricity
32,172
30.7%
38.7
Fuel oil, kerosene, etc.
76
0.1%
4.8
Coal or coke
0
0.0%
0.1
Wood
687
0.7%
1.9
Solar energy
0
0.0%
0.1
Other fuel
314
0.3%
0.5
No fuel used
776
0.7%
1.1
St. Clair County, IL Mortgage Statistics
Mortgage Payments
Number
Percent
National Avg
Housing units with a mortgage
43,029
47295100.0
Less than $500
514
1.2%
1.6%
$3,000 or more
1,010
2.3%
10.3%
$2,500 to $2,999
1,491
3.5%
7.0%
$2,000 to $2,499
3,986
9.3%
11.8%
$1,500 to $1,999
9,268
21.5%
20.1%
$500 to $999
11,611
27.0%
20.4%
$1,000 to $1,499
15,149
35.2%
28.8%
Mortgage Payment as % of Income
Number
Percent
National Avg
Less than 20.0%
21,661
50.5%
45.4%
20.0% to 24.9%
6,075
14.2%
15.7%
25.0% to 29.9%
4,887
11.4%
10.6%
30.0% to 34.9%
3,027
7.1%
7.0%
35.0% or more
7,204
16.8%
21.3%
Not Computed
175
0.0%
0.0%
St. Clair County, IL Rent Statistics
Rent Payment Amount
Number
Percent
National Avg
Occupied Units Paying Rent
36,440
41,631,300
$3,000 or more
47
0.1%
1.8%
$2,000 to $2,499
302
0.8%
4.4%
$2,500 to $2,999
347
1.0%
1.9%
$1,500 to $1,999
1,841
5.1%
11.9%
Less than $500
6,279
17.2%
10.7%
$1,000 to $1,499
8,212
22.5%
28.3%
$500 to $999
19,412
53.3%
41.0%
No Cash Rent
2,053
0.0%
2,206,240
Median (Dollars)
852
0.0%
981
Rent Payment as % of Income
Number
Percent
National Avg
Less than 15.0%
3,490
9.8%
13.1%
15.0% to 19.9%
4,019
11.3%
12.9%
20.0% to 24.9%
4,500
12.6%
12.8%
25.0% to 29.9%
3,620
10.2%
11.5%
30.0% to 34.9%
3,574
10.0%
9.0%
35.0% or more
16,382
46.0%
40.7%
Not Computed
2,908
0.0%
0.0%
St. Clair County, IL Property Value
Property Type
Number
Percent
National Avg
Specified Owner-Occupied Units
66,289
75,022,600
Less then $50,000
8,383
12.6%
7.3%
$50,000 to $99,999
16,351
24.7%
7.3%
$100,000 to $149,000
11,634
17.6%
14.1%
$150,000 to $199,000
10,499
15.8%
14.5%
$200,000 to $299,999
13,095
19.8%
19.2%
$300,000 to $499,999
5,086
7.7%
18.2%
$500,000 to $999,999
792
1.2%
10.5%
$1,000,000 or more
449
0.7%
3.1%
Median (Dollars)
132,700
205,000
