Demographics & People — Des Peres, Missouri
Population Overview
| Population (Census) | 9,145 |
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| Estimated 2026 | ~9,200 |
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| Median Age | 42.8 |
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| Total Households | 3,220 |
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| Family Households | 2,786 |
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| Average Household Size | 2.78 |
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| Diversity Index | 0.096 (relatively homogeneous) |
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Race & Ethnicity
| White | 8,427 |
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| Black or African American | 58 |
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| Asian | 171 |
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| Hispanic or Latino | 212 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 3,802 |
| Irish | 1,757 |
| Unclassified or not reported | 1,518 |
| English | 1,211 |
| Other groups | 829 |
| Italian | 659 |
| French (except Basque) | 500 |
| Polish | 345 |
| American | 304 |
| Greek | 245 |
Language
| English Only | 8,314 |
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| Spanish | 73 |
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| Population 5+ | 8,662 |
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Veterans
| Veterans | 306 |
|---|
| Population 18+ | 6,641 |
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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 Des Peres, Missouri.
