Demographics & People — Third Lake, Illinois
Population Overview
| Population (Census) | 1,203 |
|---|
| Estimated 2026 | ~1,000 |
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| Median Age | 52.2 |
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| Total Households | 489 |
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| Family Households | 396 |
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| Average Household Size | 2.44 |
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| Diversity Index | 0.254 (somewhat diverse) |
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Race & Ethnicity
| White | 1,062 |
|---|
| Black or African American | 0 |
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| Asian | 15 |
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| Hispanic or Latino | 168 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 412 |
| Irish | 232 |
| Italian | 183 |
| Polish | 182 |
| Unclassified or not reported | 159 |
| Other groups | 150 |
| English | 128 |
| Hispanic: Hispanic or Latino | 101 |
| Russian | 92 |
| Hispanic: Mexican | 65 |
Language
| English Only | 1,012 |
|---|
| Spanish | 86 |
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| Population 5+ | 1,149 |
|---|
Veterans
| Veterans | 48 |
|---|
| Population 18+ | 1,000 |
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Commuting
| Mean Commute Time | 29.8 minutes |
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| Work from Home | 20.9% |
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| Commuter Profile | N/A |
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Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Third Lake, Illinois.
