Demographics & People — Rock River, Wyoming
Population Overview
| Population (Census) | 254 |
|---|
| Estimated 2026 | ~200 |
|---|
| Median Age | 33.7 |
|---|
| Total Households | 107 |
|---|
| Family Households | 45 |
|---|
| Average Household Size | 2.37 |
|---|
| Diversity Index | 0.1814 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 220 |
|---|
| Black or African American | 0 |
|---|
| Asian | 7 |
|---|
| Hispanic or Latino | 17 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 83 |
| Irish | 82 |
| Other groups | 63 |
| Hispanic: Mexican | 42 |
| Hispanic: Hispanic or Latino | 42 |
| American | 38 |
| Unclassified or not reported | 32 |
| English | 24 |
| Scottish | 22 |
| Polish | 22 |
Language
| English Only | 225 |
|---|
| Spanish | 4 |
|---|
| Population 5+ | 236 |
|---|
Veterans
| Veterans | 4 |
|---|
| Population 18+ | 210 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Rock River, Wyoming.
