Lava Hot Springs is a city located in Bannock County Idaho. With a 2020 population of 442, it is the 136th largest city in Idaho and the 13841st largest city in the United States . Lava Hot Springs is currently growing at a rate of 1.14% annually and its population has increased by 8.60% since the most recent census, which recorded a population of 407 in 2010. Lava Hot Springs reached it's highest population of 442 in 2021. Spanning over 1 miles, Lava Hot Springs has a population density of 638 people per square mile.
The average household income in Lava Hot Springs is $44,180 with a poverty rate of 10.34%. The median rental costs in recent years comes to $655 per month, and the median house value is $136,100. The median age in Lava Hot Springs is 45.3 years, 41 years for males, and 46.4 years for females.