Demographics & People — Marengo, Iowa
Population Overview
| Population (Census) | 2,823 |
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| Estimated 2026 | ~2,500 |
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| Median Age | 39.6 |
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| Total Households | 1,152 |
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| Family Households | 710 |
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| Average Household Size | 2.38 |
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| Diversity Index | 0.0704 (relatively homogeneous) |
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Race & Ethnicity
| White | 2,665 |
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| Black or African American | 46 |
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| Asian | 0 |
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| Hispanic or Latino | 54 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 1,224 |
| Unclassified or not reported | 852 |
| Irish | 409 |
| Other groups | 323 |
| English | 172 |
| Dutch | 144 |
| Hispanic: Hispanic or Latino | 118 |
| Hispanic: Mexican | 103 |
| American | 85 |
| French (except Basque) | 81 |
Language
| English Only | 2,589 |
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| Spanish | 54 |
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| Population 5+ | 2,659 |
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Veterans
| Veterans | 148 |
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| Population 18+ | 2,149 |
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Commuting
| Mean Commute Time | 20.2 minutes |
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| Work from Home | 5.7% |
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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 Marengo, Iowa.
