Demographics & People — McLain, Mississippi
Population Overview
| Population (Census) | 394 |
| Estimated 2026 | ~500 |
| Median Age | 37.5 |
| Total Households | 122 |
| Family Households | 92 |
| Average Household Size | 3.23 |
| Diversity Index | 0.0657 (relatively homogeneous) |
Race & Ethnicity
| White | 370 |
| Black or African American | 12 |
| Asian | 1 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Irish | 166 |
| American | 61 |
| Other groups | 59 |
| French (except Basque) | 40 |
| Unclassified or not reported | 27 |
| German | 19 |
| English | 11 |
| Italian | 9 |
Language
| English Only | 367 |
| Spanish | 0 |
| Population 5+ | 379 |
Veterans
| Veterans | 8 |
| Population 18+ | 204 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for McLain, Mississippi.