Demographics & People — Montgomery, Illinois
Population Overview
| Population (Census) | 21,205 |
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| Estimated 2026 | ~22,300 |
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| Median Age | 35.3 |
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| Total Households | 7,088 |
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| Family Households | 5,373 |
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| Average Household Size | 2.99 |
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| Diversity Index | 0.5316 (moderately diverse) |
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Race & Ethnicity
| White | 12,913 |
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| Black or African American | 1,522 |
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| Asian | 341 |
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| Hispanic or Latino | 6,415 |
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Heritage & Ancestry
| Group | Count |
|---|
| Hispanic: Hispanic or Latino | 6,664 |
| Unclassified or not reported | 6,512 |
| Other groups | 6,184 |
| Hispanic: Mexican | 5,227 |
| German | 4,035 |
| Irish | 2,079 |
| Polish | 1,523 |
| English | 1,302 |
| Italian | 680 |
| Norwegian | 668 |
Language
| English Only | 14,275 |
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| Spanish | 4,644 |
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| Population 5+ | 19,814 |
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Veterans
| Veterans | 625 |
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| Population 18+ | 14,423 |
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Commuting
| Mean Commute Time | 33.4 minutes |
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| Work from Home | 12.0% |
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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 Montgomery, Illinois.
