Demographics & People — Decatur, Tennessee
Population Overview
| Population (Census) | 1,860 |
| Estimated 2026 | ~2,000 |
| Median Age | 42.4 |
| Total Households | 793 |
| Family Households | 441 |
| Average Household Size | 2.17 |
| Diversity Index | 0.1009 (relatively homogeneous) |
Race & Ethnicity
| White | 1,674 |
| Black or African American | 65 |
| Asian | 0 |
| Hispanic or Latino | 28 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 735 |
| Other groups | 314 |
| Italian | 229 |
| Irish | 193 |
| American | 192 |
| English | 184 |
| German | 101 |
| Eastern European | 38 |
| Scotch-Irish | 34 |
| Dutch | 26 |
Language
| English Only | 1,670 |
| Spanish | 48 |
| Population 5+ | 1,718 |
Veterans
| Veterans | 130 |
| Population 18+ | 1,432 |
Commuting
| Mean Commute Time | 25.2 minutes |
| Work from Home | 3.3% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Decatur, Tennessee.