Demographics & People — Decorah, Iowa
Population Overview
| Population (Census) | 7,597 |
|---|
| Estimated 2026 | ~7,400 |
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| Median Age | 39.5 |
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| Total Households | 2,913 |
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| Family Households | 1,585 |
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| Average Household Size | 1.99 |
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| Diversity Index | 0.0857 (relatively homogeneous) |
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Race & Ethnicity
| White | 7,152 |
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| Black or African American | 54 |
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| Asian | 97 |
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| Hispanic or Latino | 180 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 2,748 |
| Norwegian | 1,697 |
| Unclassified or not reported | 1,481 |
| Irish | 1,135 |
| English | 710 |
| Other groups | 625 |
| Czech | 274 |
| American | 262 |
| Hispanic: Hispanic or Latino | 246 |
| Swedish | 186 |
Language
| English Only | 6,904 |
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| Spanish | 125 |
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| Population 5+ | 7,301 |
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Veterans
| Veterans | 391 |
|---|
| Population 18+ | 6,560 |
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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 Decorah, Iowa.
