Swan Valley is a city located in Bonneville County, Idaho. Swan Valley has a 2026 population of 345. Swan Valley is currently growing at a rate of 5.5% annually and its population has increased by 43.75% since the most recent census, which recorded a population of 240 in 2020.
The median age in Swan Valley is 42.7 years: 40.5 years for males, and 43.1 years for females. For every 100 females there are 99.3 males.
Data after 2023 is projected based on recent change
Overall: 42.7 years
Female: 43.1 years
Male: 40.5 years
There are 216 adults, (45 of whom are seniors) in Swan Valley.
Female: 141 (50.2%)
Male: 140 (49.8%)
The racial composition of Swan Valley includes 96.8% White, and smaller percentages for other race, Two or more races and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 272 | 96.8% |
| Other race | 5 | 1.78% |
| Two or more races | 4 | 1.42% |