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St. Clair County

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Overview for St. Clair County, IL

258,597 people live in St. Clair County, where the median age is 39.2 and the average individual income is $32,949. Data provided by the U.S. Census Bureau.

258,597

Total Population

39.2 years

Median Age

Low

Population Density Population Density This is the number of people per square mile in a neighborhood.

$32,949

Average individual Income

Around St. Clair County, IL

There's plenty to do around St. Clair County, including shopping, dining, nightlife, parks, and more. Data provided by Walk Score and Yelp.

2
Car-Dependent
Walking Score
21
Somewhat Bikeable
Bike Score

Points of Interest

Explore popular things to do in the area, including Toots Cake Decorating Candy Supplies, The Coffee Pot, and Maya.

Name Category Distance Reviews
Ratings by Yelp
Dining · $ 4.06 miles 6 reviews 5/5 stars
Dining 3.09 miles 5 reviews 5/5 stars
Dining 4.18 miles 9 reviews 5/5 stars
Dining · $ 4.06 miles 7 reviews 5/5 stars
Dining 4.02 miles 16 reviews 4.8/5 stars
Dining 3.89 miles 37 reviews 4.8/5 stars

Demographics and Employment Data for St. Clair County, IL

St. Clair County has 100,079 households, with an average household size of 2.55. Data provided by the U.S. Census Bureau. Here’s what the people living in St. Clair County do for work — and how long it takes them to get there. Data provided by the U.S. Census Bureau. 258,597 people call St. Clair County home. The population density is 393.16 and the largest age group is between 25 and 64 years old. Data provided by the U.S. Census Bureau.

258,597

Total Population

Low

Population Density Population Density This is the number of people per square mile in a neighborhood.

39.2

Median Age

48.54 / 51.46%

Men vs Women

Population by Age Group

0-9: 12.49%

0-9 Years

10-17: 11.16%

10-17 Years

18-24: 8.12%

18-24 Years

25-64: 52.35%

25-64 Years

65-74: 9.54%

65-74 Years

75+: 6.34%

75+ Years

Education Level

  • Less Than 9th Grade 13631 (10%)
  • High School Degree 48222 (36%)
  • Associate Degree 21159 (16%)
  • Bachelor Degree 30619 (23%)
  • Graduate Degree 19215 (14%)
100,079

Total Households

2.55

Average Household Size

$32,949

Average individual Income

Households with Children

With Children: 29,246 (29%)

Without Children: 70,833 (71%)

Marital Status

Married 35%
Single 27%
Divorced 10%
Separated 4%

Blue vs White Collar Workers

Blue Collar: 10%

White Collar: 90%

Commute Time

0 to 14 Minutes 12%
15 to 29 Minutes 17%
30 to 59 Minutes 14%
60+ Minutes 2%
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