Lava Hot Springs is a city located in Bannock County, Idaho. Lava Hot Springs has a 2026 population of 383. Lava Hot Springs is currently growing at a rate of 1.06% annually and its population has increased by 6.69% since the most recent census, which recorded a population of 359 in 2020.
The median age in Lava Hot Springs is 55.7 years: 51.6 years for males, and 62.3 years for females. For every 100 females there are 142.2 males.
Data after 2023 is projected based on recent change
Overall: 55.7 years
Female: 62.3 years
Male: 51.6 years
There are 218 adults, (71 of whom are seniors) in Lava Hot Springs.
Female: 90 (41.3%)
Male: 128 (58.7%)
The racial composition of Lava Hot Springs includes 93.12% White, and smaller percentages for other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 203 | 93.12% |
| Two or more races | 9 | 4.13% |
| Other race | 6 | 2.75% |