Demographics & People — Lake Forest, Illinois
Population Overview
| Population (Census) | 19,190 |
|---|
| Estimated 2026 | ~20,000 |
|---|
| Median Age | 46.1 |
|---|
| Total Households | 6,874 |
|---|
| Family Households | 5,191 |
|---|
| Average Household Size | 2.62 |
|---|
| Diversity Index | 0.2214 (somewhat diverse) |
|---|
Race & Ethnicity
| White | 16,240 |
|---|
| Black or African American | 170 |
|---|
| Asian | 1,166 |
|---|
| Hispanic or Latino | 906 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 3,782 |
| German | 3,568 |
| Irish | 3,447 |
| Other groups | 3,042 |
| English | 2,630 |
| Italian | 1,681 |
| Polish | 1,363 |
| Hispanic: Hispanic or Latino | 925 |
| Scottish | 751 |
| Swedish | 680 |
Language
| English Only | 16,038 |
|---|
| Spanish | 693 |
|---|
| Population 5+ | 18,343 |
|---|
Veterans
| Veterans | 569 |
|---|
| Population 18+ | 15,522 |
|---|
Commuting
| Mean Commute Time | 31.3 minutes |
|---|
| Work from Home | 30.3% |
|---|
| 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 Lake Forest, Illinois.
