Demographics & People — Petersburg, Tennessee
Population Overview
| Population (Census) | 579 |
| Estimated 2026 | ~400 |
| Median Age | 39.8 |
| Total Households | 221 |
| Family Households | 172 |
| Average Household Size | 2.62 |
| Diversity Index | 0.1064 (relatively homogeneous) |
Race & Ethnicity
| White | 513 |
| Black or African American | 10 |
| Asian | 13 |
| Hispanic or Latino | 7 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 254 |
| American | 92 |
| Other groups | 77 |
| English | 46 |
| Irish | 41 |
| European | 32 |
| German | 29 |
| Scottish | 21 |
| French (except Basque) | 15 |
| Dutch | 13 |
Language
| English Only | 539 |
| Spanish | 3 |
| Population 5+ | 554 |
Veterans
| Veterans | 14 |
| Population 18+ | 460 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Petersburg, Tennessee.