Demographics & People — Northfield, Illinois
Population Overview
| Population (Census) | 5,683 |
| Estimated 2026 | ~5,100 |
| Median Age | 49.2 |
| Total Households | 2,348 |
| Family Households | 1,712 |
| Average Household Size | 2.42 |
| Diversity Index | 0.2086 (somewhat diverse) |
Race & Ethnicity
| White | 4,889 |
| Black or African American | 13 |
| Asian | 488 |
| Hispanic or Latino | 135 |
Heritage & Ancestry
| Group | Count |
| German | 1,409 |
| Other groups | 1,110 |
| Irish | 989 |
| English | 830 |
| Unclassified or not reported | 706 |
| Polish | 425 |
| Greek | 377 |
| Italian | 349 |
| Hispanic: Hispanic or Latino | 338 |
| Russian | 309 |
Language
| English Only | 4,504 |
| Spanish | 69 |
| Population 5+ | 5,396 |
Veterans
| Veterans | 171 |
| Population 18+ | 4,348 |
Commuting
| Mean Commute Time | 24.8 minutes |
| Work from Home | 30.4% |
| 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 Northfield, Illinois.