Demographics & People — Mill Plain, Connecticut
Population Overview
| Population (Census) | 1,980 |
|---|
| Estimated 2026 | ~2,200 |
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| Median Age | 43.8 |
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| Total Households | 692 |
|---|
| Family Households | 622 |
|---|
| Average Household Size | 2.86 |
|---|
| Diversity Index | 0.0961 (relatively homogeneous) |
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Race & Ethnicity
| White | 1,870 |
|---|
| Black or African American | 0 |
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| Asian | 13 |
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| Hispanic or Latino | 86 |
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Heritage & Ancestry
| Group | Count |
|---|
| Irish | 742 |
| Italian | 288 |
| Unclassified or not reported | 278 |
| German | 230 |
| Russian | 140 |
| Polish | 126 |
| American | 105 |
| English | 105 |
| Other groups | 90 |
| Latvian | 85 |
Language
| English Only | 1,636 |
|---|
| Spanish | 37 |
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| Population 5+ | 1,840 |
|---|
Veterans
| Veterans | 48 |
|---|
| Population 18+ | 1,373 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Mill Plain, Connecticut.
