Demographics & People — Leominster, Massachusetts
Population Overview
| Population (Census) | 43,697 |
| Estimated 2026 | ~44,400 |
| Median Age | 43.3 |
| Total Households | 18,210 |
| Family Households | 11,566 |
| Average Household Size | 2.38 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 32,013 |
| Black or African American | 2,373 |
| Asian | 1,329 |
| Hispanic or Latino | 7,490 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 10,437 |
| Other groups | 7,876 |
| Irish | 6,727 |
| Italian | 6,377 |
| Hispanic: Hispanic or Latino | 6,071 |
| English | 4,075 |
| French (except Basque) | 3,507 |
| French Canadian | 2,759 |
| Hispanic: Puerto Rican | 2,583 |
| German | 2,524 |
Language
| English Only | 31,263 |
| Spanish | 5,301 |
| Population 5+ | 41,370 |
Veterans
| Veterans | 2,318 |
| Population 18+ | 35,245 |
Commuting
| Mean Commute Time | 26.1 minutes |
| Work from Home | 10.9% |
| 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 Leominster, Massachusetts.