City in Fremont County, Idaho · 0.7 sq mi · 2 people per sq mi
1 people live in Warm River.
2026 projection
From 4 in 2020
Poverty rate 0%
Men 0 · Women 0
2010–2026
1
2026 projection
75% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
1
2026 projection
75% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 1 | 0 | 0.00% |
|---|---|---|---|
| 2025 | 1 | 0 | 0.00% |
| 2024 | 1 | 0 | 0.00% |
| 2023 | 1 | 0 | 0.00% |
| 2022 | 1 | 0 | 0.00% |
| 2021 | 1 | -3 | 75.00% |
| 2020 | 4 | +2 | 100.00% |
| 2019 | 2 | 0 | 0.00% |
| 2018 | 2 | 0 | 0.00% |
| 2017 | 2 | 0 | 0.00% |
Showing 10 of 17 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Warm River has a population change lower than Fremont County, Idaho, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
0% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 0% | 0% | 0% |
| Never married | 0% | 0% | 0% |
| Divorced | 0% | 0% | 0% |
| Widowed | 0% | 0% | 0% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
11 sources