Demographics & People — Spearfish, South Dakota
Population Overview
| Population (Census) | 12,551 |
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| Estimated 2026 | ~13,900 |
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| Median Age | 40.0 |
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| Total Households | 5,774 |
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| Family Households | 2,574 |
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| Average Household Size | 2.04 |
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| Diversity Index | N/A (N/A) |
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Race & Ethnicity
| White | 11,022 |
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| Black or African American | 88 |
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| Asian | 67 |
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| Hispanic or Latino | 386 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 4,068 |
| Unclassified or not reported | 2,528 |
| Norwegian | 1,696 |
| Irish | 1,461 |
| Other groups | 1,420 |
| English | 1,365 |
| Swedish | 503 |
| American | 441 |
| Italian | 347 |
| Scottish | 320 |
Language
| English Only | 11,351 |
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| Spanish | 203 |
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| Population 5+ | 11,826 |
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Veterans
| Veterans | 1,131 |
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| Population 18+ | 10,032 |
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Commuting
| Mean Commute Time | 16.3 minutes |
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| Work from Home | 6.6% |
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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 Spearfish, South Dakota.
