Demographics & People — Mattoon, Illinois
Population Overview
| Population (Census) | 16,334 |
| Estimated 2026 | ~17,200 |
| Median Age | 40.8 |
| Total Households | 7,827 |
| Family Households | 4,224 |
| Average Household Size | 2.03 |
| Diversity Index | 0.1337 (relatively homogeneous) |
Race & Ethnicity
| White | 14,860 |
| Black or African American | 345 |
| Asian | 179 |
| Hispanic or Latino | 600 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 5,493 |
| German | 4,726 |
| Irish | 3,030 |
| English | 2,209 |
| Other groups | 1,961 |
| American | 1,144 |
| Hispanic: Hispanic or Latino | 410 |
| Scottish | 343 |
| Hispanic: Mexican | 318 |
| European | 300 |
Language
| English Only | 14,954 |
| Spanish | 255 |
| Population 5+ | 15,445 |
Veterans
| Veterans | 1,016 |
| Population 18+ | 13,280 |
Commuting
| Mean Commute Time | 18.1 minutes |
| Work from Home | 4.6% |
| 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 Mattoon, Illinois.