Demographics & People — Spirit Lake, Iowa
Population Overview
| Population (Census) | 5,469 |
|---|
| Estimated 2026 | ~5,600 |
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| Median Age | 40.4 |
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| Total Households | 2,692 |
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| Family Households | 1,258 |
|---|
| Average Household Size | 1.97 |
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| Diversity Index | 0.0699 (relatively homogeneous) |
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Race & Ethnicity
| White | 5,005 |
|---|
| Black or African American | 9 |
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| Asian | 0 |
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| Hispanic or Latino | 179 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 2,666 |
| Unclassified or not reported | 1,337 |
| Irish | 389 |
| Other groups | 356 |
| Dutch | 343 |
| Norwegian | 340 |
| Danish | 336 |
| English | 285 |
| Swedish | 191 |
| French (except Basque) | 136 |
Language
| English Only | 5,039 |
|---|
| Spanish | 112 |
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| Population 5+ | 5,203 |
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Veterans
| Veterans | 274 |
|---|
| Population 18+ | 4,231 |
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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 Spirit Lake, Iowa.
