Demographics & People — Granite City, Illinois
Population Overview
| Population (Census) | 26,670 |
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| Estimated 2026 | ~26,300 |
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| Median Age | 40.4 |
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| Total Households | 11,316 |
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| Family Households | 6,647 |
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| Average Household Size | 2.33 |
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| Diversity Index | 0.3401 (somewhat diverse) |
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Race & Ethnicity
| White | 21,178 |
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| Black or African American | 2,935 |
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| Asian | 309 |
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| Hispanic or Latino | 2,016 |
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Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 10,252 |
| Other groups | 6,079 |
| German | 4,727 |
| Irish | 3,229 |
| English | 2,434 |
| Hispanic: Hispanic or Latino | 1,518 |
| Hispanic: Mexican | 1,260 |
| Polish | 1,026 |
| Italian | 909 |
| American | 859 |
Language
| English Only | 23,657 |
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| Spanish | 1,167 |
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| Population 5+ | 25,267 |
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Veterans
| Veterans | 1,616 |
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| Population 18+ | 21,246 |
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Commuting
| Mean Commute Time | 22.1 minutes |
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| Work from Home | 8.9% |
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| Commuter Profile | N/A |
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Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Granite City, Illinois.
