Demographics & People — Carlinville, Illinois
Population Overview
| Population (Census) | 5,574 |
| Estimated 2026 | ~5,300 |
| Median Age | 39.9 |
| Total Households | 2,177 |
| Family Households | 1,181 |
| Average Household Size | 2.34 |
| Diversity Index | 0.1388 (relatively homogeneous) |
Race & Ethnicity
| White | 5,016 |
| Black or African American | 178 |
| Asian | 14 |
| Hispanic or Latino | 205 |
Heritage & Ancestry
| Group | Count |
| German | 1,626 |
| Unclassified or not reported | 1,392 |
| Irish | 888 |
| Other groups | 875 |
| English | 861 |
| Italian | 440 |
| Hispanic: Hispanic or Latino | 253 |
| American | 187 |
| Hispanic: Mexican | 148 |
| Scottish | 78 |
Language
| English Only | 5,167 |
| Spanish | 146 |
| Population 5+ | 5,327 |
Veterans
| Veterans | 371 |
| Population 18+ | 4,662 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Carlinville, Illinois.