Demographics & People — Arnold, Maryland
Population Overview
| Population (Census) | 23,866 |
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| Estimated 2026 | ~25,400 |
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| Median Age | 37.9 |
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| Total Households | 8,553 |
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| Family Households | 6,578 |
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| Average Household Size | 2.77 |
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| Diversity Index | 0.3271 (somewhat diverse) |
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Race & Ethnicity
| White | 19,379 |
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| Black or African American | 1,094 |
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| Asian | 947 |
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| Hispanic or Latino | 2,458 |
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Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 8,054 |
| German | 4,722 |
| Other groups | 4,690 |
| Irish | 3,274 |
| English | 2,966 |
| Hispanic: Hispanic or Latino | 2,384 |
| Italian | 1,614 |
| Polish | 1,029 |
| American | 860 |
| Hispanic: Mexican | 756 |
Language
| English Only | 19,892 |
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| Spanish | 1,326 |
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| Population 5+ | 22,541 |
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Veterans
| Veterans | 2,174 |
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| Population 18+ | 17,949 |
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Commuting
| Mean Commute Time | 28.1 minutes |
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| Work from Home | 22.5% |
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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 Arnold, Maryland.
