Demographics & People — Willow Lake, South Dakota
Population Overview
| Population (Census) | 455 |
|---|
| Estimated 2026 | ~400 |
|---|
| Median Age | 17.5 |
|---|
| Total Households | 106 |
|---|
| Family Households | 70 |
|---|
| Average Household Size | 4.29 |
|---|
| Diversity Index | N/A (N/A) |
|---|
Race & Ethnicity
| White | 378 |
|---|
| Black or African American | 16 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 61 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 141 |
| Other groups | 66 |
| Hispanic: Hispanic or Latino | 54 |
| Norwegian | 50 |
| Irish | 48 |
| Hispanic: Mexican | 46 |
| German | 40 |
| English | 22 |
| Polish | 13 |
| American | 11 |
Language
| English Only | 315 |
|---|
| Spanish | 44 |
|---|
| Population 5+ | 368 |
|---|
Veterans
| Veterans | 15 |
|---|
| Population 18+ | 173 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Willow Lake, South Dakota.
