Demographics & People — Spencer, Iowa
Population Overview
| Population (Census) | 11,393 |
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| Estimated 2026 | ~11,400 |
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| Median Age | 41.4 |
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| Total Households | 5,145 |
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| Family Households | 2,700 |
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| Average Household Size | 2.15 |
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| Diversity Index | 0.1239 (relatively homogeneous) |
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Race & Ethnicity
| White | 10,678 |
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| Black or African American | 78 |
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| Asian | 47 |
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| Hispanic or Latino | 625 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 4,791 |
| Unclassified or not reported | 2,322 |
| Other groups | 1,746 |
| Norwegian | 1,402 |
| Irish | 1,291 |
| English | 707 |
| Hispanic: Hispanic or Latino | 541 |
| American | 490 |
| Swedish | 470 |
| Hispanic: Mexican | 469 |
Language
| English Only | 10,609 |
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| Spanish | 161 |
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| Population 5+ | 10,879 |
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Veterans
| Veterans | 697 |
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| Population 18+ | 8,756 |
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Commuting
| Mean Commute Time | 15.8 minutes |
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| Work from Home | 5.8% |
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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 Spencer, Iowa.
