New Plymouth city, Idaho
Official LSAD Designation: New Plymouth city • Census GEOID: 1656980
• Payette County
Demographics & Population Profile
Population and demographics for New Plymouth city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,629 | — | 2025 | Census |
| Median Age | 32.7 yrs | ±8.6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 723 | ±181 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).