St Clair, Illinois Census 2020 Total Hispanic and Non-Hispanic Population

Updated on February 21, 2026.

According to the data from the US 2020 decennial Census, out of the total St Clair, IL population of 257,400 people, 244,818 identified as non-Hispanic (95.11%), and 12,582 identified as Hispanic or Latino (4.89%).

The first chart below shows the number of hispanics and non-hispanics, and the second chart shows the percentage of St Clair, IL population that are hispanics and non-hispanics.

You can also see this information for other Illinois counties and also for the state of Illinois.

St Clair, IL Census 2020 Total Hispanic and Non-Hispanic Population
Non-Hispanic
Hispanic
St Clair, IL Census 2020 Percentage of Total Hispanic and Non-Hispanic Population
Non-Hispanic
Hispanic
St Clair, IL Census 2020 Total Hispanic and Non-Hispanic Population
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Hispanic or Non-Hispanic Population % of County Population
Hispanic 12582 4.89
Non-Hispanic 244818 95.11