Demographics & People — Mason City, Iowa
Population Overview
| Population (Census) | 27,135 |
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| Estimated 2026 | ~26,900 |
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| Median Age | 42.5 |
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| Total Households | 12,678 |
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| Family Households | 7,104 |
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| Average Household Size | 2.08 |
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| Diversity Index | 0.2044 (somewhat diverse) |
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Race & Ethnicity
| White | 23,995 |
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| Black or African American | 905 |
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| Asian | 336 |
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| Hispanic or Latino | 1,759 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 8,672 |
| Unclassified or not reported | 7,941 |
| Norwegian | 3,619 |
| Other groups | 3,581 |
| Irish | 2,986 |
| Hispanic: Hispanic or Latino | 1,794 |
| Hispanic: Mexican | 1,631 |
| English | 1,487 |
| American | 854 |
| Czech | 615 |
Language
| English Only | 24,667 |
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| Spanish | 703 |
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| Population 5+ | 25,812 |
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Veterans
| Veterans | 1,724 |
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| Population 18+ | 21,841 |
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Commuting
| Mean Commute Time | 13.5 minutes |
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| Work from Home | 4.3% |
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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 Mason City, Iowa.
