Demographics & People — New Plymouth, Idaho
Population Overview
| Population (Census) | 1,863 |
| Estimated 2026 | ~1,600 |
| Median Age | 32.7 |
| Total Households | 783 |
| Family Households | 512 |
| Average Household Size | 2.38 |
| Diversity Index | 0.3158 (somewhat diverse) |
Race & Ethnicity
| White | 1,566 |
| Black or African American | 0 |
| Asian | 34 |
| Hispanic or Latino | 337 |
Heritage & Ancestry
| Group | Count |
| Other groups | 525 |
| English | 393 |
| Unclassified or not reported | 355 |
| Hispanic: Hispanic or Latino | 324 |
| Hispanic: Mexican | 255 |
| Irish | 201 |
| German | 188 |
| American | 89 |
| Swedish | 75 |
| Scottish | 62 |
Language
| English Only | 1,593 |
| Spanish | 111 |
| Population 5+ | 1,735 |
Veterans
| Veterans | 115 |
| Population 18+ | 1,191 |
Commuting
| Mean Commute Time | 25.0 minutes |
| Work from Home | 1.5% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for New Plymouth, Idaho.