Demographics & People — Corvallis, Montana
Population Overview
| Population (Census) | 1,356 |
|---|
| Estimated 2026 | ~1,000 |
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| Median Age | 38.7 |
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| Total Households | 493 |
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| Family Households | 438 |
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| Average Household Size | 2.75 |
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| Diversity Index | 0.08 (relatively homogeneous) |
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Race & Ethnicity
| White | 1,254 |
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| Black or African American | 27 |
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| Asian | 0 |
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| Hispanic or Latino | 27 |
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Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 528 |
| Irish | 440 |
| Italian | 324 |
| English | 286 |
| German | 168 |
| Celtic | 114 |
| Other groups | 67 |
| Hispanic: Mexican | 50 |
| Hispanic: Hispanic or Latino | 50 |
| Welsh | 49 |
Language
| English Only | 1,244 |
|---|
| Spanish | 7 |
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| Population 5+ | 1,251 |
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Veterans
| Veterans | 329 |
|---|
| Population 18+ | 1,109 |
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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 Corvallis, Montana.
