Demographics & People — Plains, Montana
Population Overview
| Population (Census) | 1,077 |
|---|
| Estimated 2026 | ~1,500 |
|---|
| Median Age | 43.3 |
|---|
| Total Households | 609 |
|---|
| Family Households | 202 |
|---|
| Average Household Size | 1.69 |
|---|
| Diversity Index | 0.0354 (relatively homogeneous) |
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Race & Ethnicity
| White | 982 |
|---|
| Black or African American | 16 |
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| Asian | 0 |
|---|
| Hispanic or Latino | 2 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 325 |
| Unclassified or not reported | 321 |
| Norwegian | 163 |
| Irish | 149 |
| Swedish | 130 |
| American | 108 |
| Other groups | 100 |
| English | 88 |
| European | 70 |
| British | 38 |
Language
| English Only | 1,017 |
|---|
| Spanish | 28 |
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| Population 5+ | 1,057 |
|---|
Veterans
| Veterans | 99 |
|---|
| Population 18+ | 987 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Plains, Montana.
