St. Clair County, Illinois Educational Indicators (2024)

HS Grad or Higher

93.5%

Bachelor's Degree+

31.8%

Graduate Degree

13.8%

Population 25+

174,645

St. Clair County, Illinois Educational Level Distribution

Education Treemap for  in 2024
Figure 1: Relative distribution of education levels for residents aged 25 and older in .

St. Clair County, Illinois Detailed Attainment Breakdown

Level of EducationPercentageCount
Less than High School
6.5%11,418
High School Graduate
27.0%47,100
Some College / Associate's
34.7%60,595
Bachelor's Degree
18.0%31,431
Graduate Degree
13.8%24,101

St. Clair County, Illinois Higher Education Trends (2010–2024)

Trend chart showing bachelor degree growth in
Figure 2: Historical percentage of residents with a Bachelor's degree or higher in .


Education Statistics FAQs for St. Clair County, Illinois

Approximately 31.8% of adults in St. Clair County, Illinois hold a Bachelor's degree or higher.

Since 2010, the percentage of residents with a college degree in St. Clair County, Illinois has increased by 7.9 percentage points, indicating a growing workforce.
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