Warm River is a city located in Idaho. With a 2020 population of 3, it is the 200th largest city in Idaho and the 19487th largest city in the United States. Warm River is currently declining at a rate of 0.00% annually and its population has decreased by 0.00% since the most recent census, which recorded a population of 3 in 2010. Warm River reached it's highest population of 3 in 2010. Spanning over 1 miles, Warm River has a population density of 5 people per square mile.
The average household income in Warm River is - with a poverty rate of NaN%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Warm River is 0 years, 0 years for males, and 0 years for females.