Demographics & People — Allen, South Dakota
Population Overview
| Population (Census) | 860 |
|---|
| Estimated 2026 | ~600 |
|---|
| Median Age | 17.7 |
|---|
| Total Households | 118 |
|---|
| Family Households | 108 |
|---|
| Average Household Size | 7.29 |
|---|
| Diversity Index | N/A (N/A) |
|---|
Race & Ethnicity
| White | 0 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 62 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 850 |
| Hispanic: Hispanic or Latino | 116 |
| Hispanic: Puerto Rican | 116 |
| Unclassified or not reported | 67 |
| American | 9 |
Language
| English Only | 560 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 763 |
|---|
Veterans
| Veterans | 16 |
|---|
| Population 18+ | 451 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013 (county fallback). Data for Allen, South Dakota.
