Demographics & People — Fitchburg, Massachusetts
Population Overview
| Population (Census) | 41,633 |
| Estimated 2026 | ~42,200 |
| Median Age | 36.3 |
| Total Households | 16,880 |
| Family Households | 9,710 |
| Average Household Size | 2.37 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 26,776 |
| Black or African American | 2,929 |
| Asian | 859 |
| Hispanic or Latino | 12,707 |
Heritage & Ancestry
| Group | Count |
| Hispanic: Hispanic or Latino | 12,721 |
| Other groups | 12,600 |
| Unclassified or not reported | 9,786 |
| Hispanic: Puerto Rican | 8,775 |
| Irish | 5,433 |
| French (except Basque) | 3,804 |
| Italian | 3,721 |
| French Canadian | 2,942 |
| English | 2,182 |
| German | 2,039 |
Language
| English Only | 27,971 |
| Spanish | 8,438 |
| Population 5+ | 39,177 |
Veterans
| Veterans | 1,838 |
| Population 18+ | 33,084 |
Commuting
| Mean Commute Time | 27.1 minutes |
| Work from Home | 10.3% |
| 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 Fitchburg, Massachusetts.