Demographics & People — Sister Bay, Wisconsin
Population Overview
| Population (Census) | 1,016 |
|---|
| Estimated 2026 | ~1,100 |
|---|
| Median Age | 61.0 |
|---|
| Total Households | 549 |
|---|
| Family Households | 304 |
|---|
| Average Household Size | 1.76 |
|---|
| Diversity Index | 0.0253 (relatively homogeneous) |
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Race & Ethnicity
| White | 1,003 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 13 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 454 |
| Unclassified or not reported | 112 |
| English | 93 |
| Polish | 93 |
| Irish | 86 |
| Norwegian | 82 |
| Swedish | 80 |
| Italian | 66 |
| Scandinavian | 49 |
| American | 25 |
Language
| English Only | 915 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 918 |
|---|
Veterans
| Veterans | 75 |
|---|
| Population 18+ | 772 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Sister Bay, Wisconsin.
