Demographics & People — Alton, Missouri
Population Overview
| Population (Census) | 647 |
|---|
| Estimated 2026 | ~1,000 |
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| Median Age | 36.5 |
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| Total Households | 279 |
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| Family Households | 151 |
|---|
| Average Household Size | 2.09 |
|---|
| Diversity Index | 0.1326 (relatively homogeneous) |
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Race & Ethnicity
| White | 601 |
|---|
| Black or African American | 7 |
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| Asian | 20 |
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| Hispanic or Latino | 18 |
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Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 405 |
| Other groups | 140 |
| Irish | 113 |
| German | 97 |
| Hispanic: Mexican | 46 |
| Hispanic: Hispanic or Latino | 46 |
| American | 30 |
| European | 22 |
| English | 19 |
| French (except Basque) | 12 |
Language
| English Only | 562 |
|---|
| Spanish | 4 |
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| Population 5+ | 594 |
|---|
Veterans
| Veterans | 26 |
|---|
| Population 18+ | 561 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Alton, Missouri.
