Demographics & People — Millbrook, Illinois
Population Overview
| Population (Census) | 298 |
|---|
| Estimated 2026 | ~200 |
|---|
| Median Age | 55.3 |
|---|
| Total Households | 102 |
|---|
| Family Households | 80 |
|---|
| Average Household Size | 2.92 |
|---|
| Diversity Index | 0.0133 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 296 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 2 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 118 |
| Unclassified or not reported | 68 |
| Irish | 53 |
| English | 50 |
| Italian | 35 |
| Other groups | 32 |
| Polish | 20 |
| Norwegian | 13 |
| Swedish | 8 |
| French (except Basque) | 8 |
Language
| English Only | 270 |
|---|
| Spanish | 4 |
|---|
| Population 5+ | 274 |
|---|
Veterans
| Veterans | 9 |
|---|
| Population 18+ | 217 |
|---|
Commuting
| Mean Commute Time | 37.0 minutes |
|---|
| Work from Home | 2.4% |
|---|
| 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 Millbrook, Illinois.
