Demographics & People — Seminole, Florida
Population Overview
| Population (Census) | 19,336 |
| Estimated 2026 | ~19,500 |
| Median Age | 55.3 |
| Total Households | 8,989 |
| Family Households | 4,927 |
| Average Household Size | 2.1 |
| Diversity Index | 0.2949 (somewhat diverse) |
Race & Ethnicity
| White | 16,146 |
| Black or African American | 613 |
| Asian | 731 |
| Hispanic or Latino | 1,905 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 3,627 |
| Other groups | 3,516 |
| German | 3,414 |
| Irish | 2,854 |
| English | 2,558 |
| Hispanic: Hispanic or Latino | 2,011 |
| Italian | 1,958 |
| American | 991 |
| Polish | 827 |
| Hispanic: South American | 791 |
Language
| English Only | 16,645 |
| Spanish | 906 |
| Population 5+ | 18,905 |
Veterans
| Veterans | 1,786 |
| Population 18+ | 16,770 |
Commuting
| Mean Commute Time | 26.3 minutes |
| Work from Home | 18.8% |
| 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 Seminole, Florida.