Demographics & People — Lost River, Idaho
Population Overview
| Population (Census) | 51 |
|---|
| Estimated 2026 | ~100 |
|---|
| Median Age | 76.9 |
|---|
| Total Households | 11 |
|---|
| Family Households | 11 |
|---|
| Average Household Size | 2.27 |
|---|
| Diversity Index | 0.3045 (somewhat diverse) |
|---|
Race & Ethnicity
| White | 42 |
|---|
| Black or African American | 6 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 3 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 5 |
| Other groups | 5 |
| Hispanic: Mexican | 5 |
| Hispanic: Hispanic or Latino | 5 |
Language
| English Only | 51 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 51 |
|---|
Veterans
| Veterans | 0 |
|---|
| Population 18+ | 10 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013 (county fallback). Data for Lost River, Idaho.
