Demographics & People — Frankfort, Illinois
Population Overview
| Population (Census) | 20,417 |
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| Estimated 2026 | ~21,200 |
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| Median Age | 42.2 |
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| Total Households | 6,590 |
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| Family Households | 5,497 |
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| Average Household Size | 3.08 |
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| Diversity Index | 0.3339 (somewhat diverse) |
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Race & Ethnicity
| White | 16,198 |
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| Black or African American | 2,229 |
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| Asian | 533 |
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| Hispanic or Latino | 1,132 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 4,415 |
| Irish | 4,144 |
| Other groups | 3,650 |
| Unclassified or not reported | 2,995 |
| Italian | 2,547 |
| Polish | 2,489 |
| English | 1,433 |
| Hispanic: Hispanic or Latino | 1,143 |
| Hispanic: Mexican | 934 |
| American | 726 |
Language
| English Only | 17,142 |
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| Spanish | 682 |
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| Population 5+ | 19,310 |
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Veterans
| Veterans | 571 |
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| Population 18+ | 14,521 |
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Commuting
| Mean Commute Time | 35.2 minutes |
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| Work from Home | 23.6% |
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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 Frankfort, Illinois.
