Demographics & People — South Dennis, Massachusetts
Population Overview
| Population (Census) | 3,190 |
|---|
| Estimated 2026 | ~3,000 |
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| Median Age | 57.6 |
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| Total Households | 1,556 |
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| Family Households | 913 |
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| Average Household Size | 2.01 |
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| Diversity Index | N/A (N/A) |
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Race & Ethnicity
| White | 2,918 |
|---|
| Black or African American | 127 |
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| Asian | 17 |
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| Hispanic or Latino | 22 |
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Heritage & Ancestry
| Group | Count |
|---|
| Irish | 956 |
| Unclassified or not reported | 628 |
| English | 465 |
| Italian | 373 |
| French Canadian | 228 |
| German | 209 |
| Other groups | 206 |
| French (except Basque) | 205 |
| Polish | 169 |
| West Indian (except Hispanic groups) | 139 |
Language
| English Only | 3,018 |
|---|
| Spanish | 0 |
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| Population 5+ | 3,094 |
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Veterans
| Veterans | 204 |
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| Population 18+ | 2,741 |
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Commuting
| Mean Commute Time | 24.7 minutes |
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| Work from Home | 9.5% |
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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 South Dennis, Massachusetts.
