Demographics & People — Sheridan, Illinois
Population Overview
| Population (Census) | 2,610 |
| Estimated 2026 | ~2,300 |
| Median Age | 36.1 |
| Total Households | 426 |
| Family Households | 265 |
| Average Household Size | 2.23 |
| Diversity Index | 0.5797 (moderately diverse) |
Race & Ethnicity
| White | 1,392 |
| Black or African American | 1,001 |
| Asian | 0 |
| Hispanic or Latino | 289 |
Heritage & Ancestry
| Group | Count |
| Other groups | 1,149 |
| Unclassified or not reported | 623 |
| German | 561 |
| Irish | 334 |
| Hispanic: Hispanic or Latino | 292 |
| Italian | 175 |
| Hispanic: Mexican | 152 |
| Polish | 120 |
| English | 111 |
| Norwegian | 90 |
Language
| English Only | 2,290 |
| Spanish | 222 |
| Population 5+ | 2,546 |
Veterans
| Veterans | 95 |
| Population 18+ | 2,406 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Sheridan, Illinois.