Demographics & People — Belmont, Massachusetts
Population Overview
| Population (Census) | 27,009 |
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| Estimated 2026 | ~27,600 |
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| Median Age | 42.9 |
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| Total Households | 10,358 |
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| Family Households | 7,624 |
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| Average Household Size | 2.59 |
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| Diversity Index | N/A (N/A) |
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Race & Ethnicity
| White | 18,804 |
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| Black or African American | 446 |
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| Asian | 5,504 |
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| Hispanic or Latino | 1,273 |
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Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 7,166 |
| Irish | 4,311 |
| Unclassified or not reported | 3,879 |
| English | 3,482 |
| Italian | 2,943 |
| German | 2,129 |
| French (except Basque) | 1,319 |
| Hispanic: Hispanic or Latino | 1,246 |
| Polish | 1,234 |
| European | 877 |
Language
| English Only | 17,830 |
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| Spanish | 958 |
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| Population 5+ | 25,672 |
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Veterans
| Veterans | 504 |
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| Population 18+ | 20,426 |
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Commuting
| Mean Commute Time | 29.3 minutes |
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| Work from Home | 31.5% |
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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 Belmont, Massachusetts.
