Demographics & People — Old Greenwich, Connecticut
Population Overview
| Population (Census) | 6,904 |
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| Estimated 2026 | ~7,000 |
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| Median Age | 40.5 |
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| Total Households | 2,311 |
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| Family Households | 1,758 |
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| Average Household Size | 2.98 |
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| Diversity Index | 0.3063 (somewhat diverse) |
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Race & Ethnicity
| White | 5,499 |
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| Black or African American | 32 |
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| Asian | 615 |
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| Hispanic or Latino | 528 |
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Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 1,524 |
| Italian | 1,223 |
| Other groups | 1,212 |
| Irish | 1,114 |
| English | 1,007 |
| German | 717 |
| Hispanic: Hispanic or Latino | 457 |
| Polish | 376 |
| American | 323 |
| Eastern European | 227 |
Language
| English Only | 5,330 |
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| Spanish | 280 |
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| Population 5+ | 6,347 |
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Veterans
| Veterans | 119 |
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| Population 18+ | 4,697 |
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Commuting
| Mean Commute Time | 34.7 minutes |
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| Work from Home | 36.3% |
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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 Old Greenwich, Connecticut.
