Demographics & People — St. Joseph, Tennessee
Population Overview
| Population (Census) | 788 |
| Estimated 2026 | ~800 |
| Median Age | 39.6 |
| Total Households | 332 |
| Family Households | 187 |
| Average Household Size | 2.37 |
| Diversity Index | 0.0809 (relatively homogeneous) |
Race & Ethnicity
| White | 732 |
| Black or African American | 25 |
| Asian | 0 |
| Hispanic or Latino | 7 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 369 |
| American | 161 |
| Other groups | 123 |
| English | 41 |
| Irish | 39 |
| German | 19 |
| French (except Basque) | 16 |
| Italian | 13 |
| Dutch | 13 |
| European | 11 |
Language
| English Only | 758 |
| Spanish | 7 |
| Population 5+ | 765 |
Veterans
| Veterans | 33 |
| Population 18+ | 625 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for St. Joseph, Tennessee.