Demographics & People — Waltham, Massachusetts
Population Overview
| Population (Census) | 64,723 |
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| Estimated 2026 | ~65,300 |
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| Median Age | 34.4 |
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| Total Households | 25,721 |
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| Family Households | 13,515 |
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| Average Household Size | 2.25 |
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| Diversity Index | N/A (N/A) |
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Race & Ethnicity
| White | 40,257 |
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| Black or African American | 4,842 |
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| Asian | 8,335 |
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| Hispanic or Latino | 11,795 |
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Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 18,414 |
| Unclassified or not reported | 12,654 |
| Irish | 11,117 |
| Hispanic: Hispanic or Latino | 9,904 |
| Italian | 8,537 |
| English | 5,073 |
| Hispanic: Central American | 4,468 |
| Hispanic: Guatemalan | 3,839 |
| German | 3,574 |
| French Canadian | 2,242 |
Language
| English Only | 40,876 |
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| Spanish | 8,048 |
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| Population 5+ | 61,453 |
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Veterans
| Veterans | 1,392 |
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| Population 18+ | 56,088 |
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Commuting
| Mean Commute Time | 24.7 minutes |
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| Work from Home | 24.2% |
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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 Waltham, Massachusetts.
