Warm River, Idaho
City · Population 1 · #198 in Idaho
About Warm River
Warm River, ID is a tiny community located in eastern Idaho with an estimated population of 1.
Warm River holds the status of an incorporated city with its own municipal government. The community covers 0.67 square miles, giving it wide-open spaces and a spread-out, rural feel at roughly 1 residents per square mile.
📰 Warm River News Today
- Caribou-Targhee National Forest : Recreation Site - Warm River Campground US Forest Service (.gov) · May 20
- Ashton’s Warm River Studio marks one year with expanded summer lineup East Idaho News · Apr 20
- Warm River, ID Weather Radar WeatherBug · Sep 13
- Leslie Gay Ovard Obituary (2026) - Warm River, ID - Wood Funeral Home & Crematory - Idaho Falls Legacy obituary · Apr 3
- F&G biologists complete first fish population survey in Warm River, a tributary of the Henrys Fork Idaho Fish and Game (.gov) · Sep 30
Live headlines via Google News — updates through the day.
What Makes Warm River Unique
- The only place in America named Warm River — a truly one-of-a-kind name among 32,000+ US communities.
- With 1 residents, it's one of America's smallest incorporated communities — everybody really does know everybody.
- Positioned in eastern Idaho, convenient to the region's corridors and crossings.
Why People Love It Here
- Small-town pace of life: less traffic, more community, and neighbors who wave.
- Cost of living typically runs below the big-metro average.
- Well connected: 3+ neighboring communities within 21 miles.
⚡ Quick Facts
StateIdaho
TypeCity
Population (2024)1
Rank in state#198 of 198
Land area0.67 sq mi
Density1/sq mi
Coordinates44.1210, -111.3210