Demographics & People — Mount Olive, Illinois
Population Overview
| Population (Census) | 1,979 |
|---|
| Estimated 2026 | ~1,600 |
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| Median Age | 50.4 |
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| Total Households | 908 |
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| Family Households | 576 |
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| Average Household Size | 2.18 |
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| Diversity Index | 0.0307 (relatively homogeneous) |
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Race & Ethnicity
| White | 1,904 |
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| Black or African American | 19 |
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| Asian | 0 |
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| Hispanic or Latino | 11 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 789 |
| Unclassified or not reported | 781 |
| Irish | 223 |
| English | 145 |
| Other groups | 93 |
| Italian | 85 |
| American | 78 |
| Croatian | 62 |
| French (except Basque) | 38 |
| European | 35 |
Language
| English Only | 1,902 |
|---|
| Spanish | 0 |
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| Population 5+ | 1,911 |
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Veterans
| Veterans | 239 |
|---|
| Population 18+ | 1,746 |
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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 Mount Olive, Illinois.
