Demographics & People — Effingham, Illinois
Population Overview
| Population (Census) | 12,258 |
| Estimated 2026 | ~12,500 |
| Median Age | 39.6 |
| Total Households | 5,196 |
| Family Households | 3,052 |
| Average Household Size | 2.28 |
| Diversity Index | 0.1195 (relatively homogeneous) |
Race & Ethnicity
| White | 11,527 |
| Black or African American | 181 |
| Asian | 131 |
| Hispanic or Latino | 457 |
Heritage & Ancestry
| Group | Count |
| German | 4,153 |
| Unclassified or not reported | 2,880 |
| Other groups | 2,107 |
| American | 1,555 |
| Irish | 1,118 |
| English | 1,051 |
| Hispanic: Hispanic or Latino | 509 |
| Hispanic: Mexican | 365 |
| French (except Basque) | 281 |
| Italian | 276 |
Language
| English Only | 10,761 |
| Spanish | 534 |
| Population 5+ | 11,421 |
Veterans
| Veterans | 570 |
| Population 18+ | 9,433 |
Commuting
| Mean Commute Time | 13.3 minutes |
| Work from Home | 12.5% |
| 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 Effingham, Illinois.