Demographics & People — Monticello, Illinois
Population Overview
| Population (Census) | 6,332 |
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| Estimated 2026 | ~6,200 |
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| Median Age | 43.8 |
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| Total Households | 2,690 |
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| Family Households | 1,874 |
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| Average Household Size | 2.32 |
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| Diversity Index | 0.0955 (relatively homogeneous) |
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Race & Ethnicity
| White | 5,999 |
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| Black or African American | 207 |
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| Asian | 23 |
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| Hispanic or Latino | 83 |
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Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 2,034 |
| German | 1,595 |
| English | 863 |
| Irish | 758 |
| Other groups | 557 |
| American | 552 |
| Scottish | 168 |
| Italian | 143 |
| European | 127 |
| Scotch-Irish | 123 |
Language
| English Only | 5,944 |
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| Spanish | 56 |
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| Population 5+ | 6,022 |
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Veterans
| Veterans | 219 |
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| Population 18+ | 4,994 |
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Commuting
| Mean Commute Time | 23.2 minutes |
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| Work from Home | 6.7% |
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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 Monticello, Illinois.
