Demographics & People — Round Lake, Illinois
Population Overview
| Population (Census) | 18,588 |
|---|
| Estimated 2026 | ~18,700 |
|---|
| Median Age | 36.1 |
|---|
| Total Households | 6,271 |
|---|
| Family Households | 4,515 |
|---|
| Average Household Size | 2.96 |
|---|
| Diversity Index | 0.6193 (highly diverse) |
|---|
Race & Ethnicity
| White | 9,567 |
|---|
| Black or African American | 568 |
|---|
| Asian | 2,714 |
|---|
| Hispanic or Latino | 5,976 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 8,877 |
| Hispanic: Hispanic or Latino | 5,622 |
| Hispanic: Mexican | 4,410 |
| Unclassified or not reported | 3,365 |
| German | 2,485 |
| Polish | 1,753 |
| Irish | 1,067 |
| Italian | 639 |
| English | 556 |
| Hispanic: Puerto Rican | 555 |
Language
| English Only | 10,212 |
|---|
| Spanish | 4,202 |
|---|
| Population 5+ | 17,347 |
|---|
Veterans
| Veterans | 455 |
|---|
| Population 18+ | 13,241 |
|---|
Commuting
| Mean Commute Time | 31.3 minutes |
|---|
| Work from Home | 17.8% |
|---|
| 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 Round Lake, Illinois.
