Demographics & People — Louisville, Ohio
Population Overview
| Population (Census) | 9,560 |
| Estimated 2026 | ~9,700 |
| Median Age | 42.4 |
| Total Households | 4,066 |
| Family Households | 2,431 |
| Average Household Size | 2.32 |
| Diversity Index | 0.0505 (relatively homogeneous) |
Race & Ethnicity
| White | 9,150 |
| Black or African American | 58 |
| Asian | 16 |
| Hispanic or Latino | 168 |
Heritage & Ancestry
| Group | Count |
| German | 3,111 |
| Unclassified or not reported | 1,826 |
| Irish | 1,595 |
| Italian | 1,264 |
| Other groups | 1,033 |
| English | 947 |
| American | 605 |
| European | 466 |
| French (except Basque) | 338 |
| Welsh | 305 |
Language
| English Only | 8,809 |
| Spanish | 61 |
| Population 5+ | 8,964 |
Veterans
| Veterans | 520 |
| Population 18+ | 7,063 |
Commuting
| Mean Commute Time | 21.0 minutes |
| Work from Home | 14.6% |
| 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 Louisville, Ohio.