Demographics & People — Plymouth, Illinois
Population Overview
| Population (Census) | 512 |
|---|
| Estimated 2026 | ~300 |
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| Median Age | 51.3 |
|---|
| Total Households | 224 |
|---|
| Family Households | 123 |
|---|
| Average Household Size | 2.29 |
|---|
| Diversity Index | 0.1683 (relatively homogeneous) |
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Race & Ethnicity
| White | 468 |
|---|
| Black or African American | 14 |
|---|
| Asian | 15 |
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| Hispanic or Latino | 17 |
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Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 238 |
| Other groups | 81 |
| German | 57 |
| American | 41 |
| Irish | 35 |
| English | 27 |
| Dutch | 19 |
| Scottish | 8 |
| French (except Basque) | 7 |
| Northern European | 7 |
Language
| English Only | 464 |
|---|
| Spanish | 4 |
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| Population 5+ | 471 |
|---|
Veterans
| Veterans | 43 |
|---|
| Population 18+ | 396 |
|---|
Commuting
| Mean Commute Time | 34.1 minutes |
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| Work from Home | 8.4% |
|---|
| 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 Plymouth, Illinois.
