Demographics & People — Calais, Maine
Population Overview
| Population (Census) | 3,087 |
|---|
| Estimated 2026 | ~3,100 |
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| Median Age | 43.8 |
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| Total Households | 1,456 |
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| Family Households | 878 |
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| Average Household Size | 2.0 |
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| Diversity Index | 0.086 (relatively homogeneous) |
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Race & Ethnicity
| White | 2,918 |
|---|
| Black or African American | 91 |
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| Asian | 9 |
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| Hispanic or Latino | 36 |
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Heritage & Ancestry
| Group | Count |
|---|
| English | 799 |
| Unclassified or not reported | 699 |
| Other groups | 499 |
| Irish | 368 |
| German | 247 |
| French (except Basque) | 160 |
| Scottish | 158 |
| American | 146 |
| Canadian | 115 |
| European | 88 |
Language
| English Only | 2,724 |
|---|
| Spanish | 29 |
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| Population 5+ | 2,835 |
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Veterans
| Veterans | 356 |
|---|
| Population 18+ | 2,642 |
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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 Calais, Maine.
