Demographics & People — Spencer, Indiana
Population Overview
| Population (Census) | 2,308 |
| Estimated 2026 | ~2,900 |
| Median Age | 51.7 |
| Total Households | 1,079 |
| Family Households | 535 |
| Average Household Size | 2.05 |
| Diversity Index | 0.0641 (relatively homogeneous) |
Race & Ethnicity
| White | 2,184 |
| Black or African American | 27 |
| Asian | 31 |
| Hispanic or Latino | 16 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 918 |
| German | 442 |
| Irish | 336 |
| Other groups | 326 |
| English | 297 |
| American | 200 |
| European | 55 |
| Scottish | 50 |
| French Canadian | 37 |
| French (except Basque) | 28 |
Language
| English Only | 2,181 |
| Spanish | 0 |
| Population 5+ | 2,205 |
Veterans
| Veterans | 156 |
| Population 18+ | 1,879 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Spencer, Indiana.