St. Clair County Demographics

Population - Employment - Households - Income / Financial - Housing - Education - Marital Status - Means of Transport to Work

St. Clair County Population Demographics top

Total Population 308,904
Male Population 149,128
Female Population 159,776
Male Population 48.28 %
Female Population 51.72 %
Median Age 39
Citizen US Born 296,740
Citizen not US Born 8,207
Not Citizen 3,957
Citizen US Born 96.06 %
Citizen not US Born 2.66 %
Not Citizen 1.28 %
Moved from Abroad 1,346
Moved from Same Country 20,762
Moved from Same State 7,533
Moved from Different State 8,173
Same House as Last Year 267,072
Moved from Abroad 0.44 %
Moved from Same Country 6.72 %
Moved from Same State 2.44 %
Moved from Different State 2.65 %
Same House as Last Year 86.46 %

Occupational Employment in St. Clair County top

White Collar 109,721
Blue Collar 29,938
White Collar 35.52 %
Blue Collar 9.69 %
Self Employees 8,340
Private Companies 96,405
Governmental Workers 21,071
Not for Profit Companies 13,843
Self Employees 2.7 %
Private Companies 31.21 %
Governmental Workers 6.82 %
Not for Profit Companies 4.48 %

Number of Households in St. Clair County top

Total Households 121,426
Average People Per Household 3
Family Households 79,322
Non-family Households 42,104
Non-family Households 25.68 %
Family Households 13.63 %
Households with Children 38,004
Households without Children 83,422
Households with Children 12.3 %
Households without Children 27.01 %

Median and Average Income in St. Clair County top

Average Household Income $67,232.90
Median Household Income $54,388.00
People below Poverty Level 47,562
People above Poverty Level 253,006

Housing in St. Clair County top

Housing Units 139,227
Median Year Built 1973
Built in 1939 or Earlier 19,523
Built between 1940 and 1949 9,082
Built between 1950 and 1959 21,752
Built between 1960 and 1969 16,000
Built between 1970 and 1979 15,614
Built between 1980 and 1989 15,635
Built between 1990 and 1999 17,604
Built between 2000 and 2009 20,041
Built in 2010 or Later 3,976
Occupied Housing Units 121,426
Owner Occupied 80,302
Renter Occupied 41,124
Owner Occupied 26 %
Renter Occupied 13.31 %
With Mortgage 50,179
Without Mortgage 30,123
Median Value with Mortgage $118,800.00
Median Value without Mortgage $99,400.00
Median Housing Costs per Month $854.00
With Mortgage 16.24 %
Without Mortgage 9.75 %

St. Clair County Education Statistics top

No High School 5,668
Some High School 86,124
Some College 73,343
Associate Degree 24,129
Bachelor's Degree 35,865
Graduate Degree 22,794
No High School 1.83 %
Some High School 27.88 %
Some College 23.74 %
Associate Degree 7.81 %
Bachelor's Degree 11.61 %
Graduate Degree 7.38 %

Marital Status in St. Clair County top

Never Married 82,508
Married 121,307
Separated 4,573
Widowed 16,098
Divorced 28,674
Never Married 26.71 %
Married 39.27 %
Separated 1.48 %
Widowed 5.21 %
Divorced 9.28 %

Means of Transport to Work in St. Clair County top

Car 125,820
Bus or TrolleyBus 3,103
Railroad 381
Bicycle 318
Motorcycle 121
Walk 2,376

Recently added listings in St. Clair County top

$335,000 USD
  • 4 Beds
  • 3.5 Baths
$184,900 USD
  • 3 Beds
  • 3 Baths
$96,500 USD 10.5K
  • 3 Beds
  • 2 Baths
$130,000 USD
  • 3 Beds
  • 1 Baths
$155,000 USD
  • 3 Beds
  • 2 Baths
$725,000 USD
  • 4 Beds
  • 4 Baths

Disclaimer


Demographic data shown in this section was gathered from the 2017 American Community Survey and is deemed reliable but is not guaranteed.
No representation, guarantee or warranty is made as to the accuracy or completeness of information modified or aggregated for specific neighborhoods and/or zip codes.
St. Clair County is an area in West Central Illinois,Illinois with a population of 308,904. There are 149,128 male residents living in St. Clair County and 159,776 female residents. The total number of households is 121,426 with 3 people per household on average.
The median age of the current population is 39 with 121,307 people being married and 131,853 being single.

The employment numbers show that there are 78.56% white collar employees and 21.44% blue collar employees in St. Clair County.