Petersville is a CDP located in Matanuska-Susitna Borough, Alaska. Petersville has a 2026 population of 52. Petersville is currently growing at a rate of 8.33% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in Petersville is 68 years: 68.1 years for males, and 55 years for females. For every 100 females there are 103.8 males.
Data after 2023 is projected based on recent change
Overall: 68 years
Female: 55 years
Male: 68.1 years
There are 40 adults, (27 of whom are seniors) in Petersville.
Female: 26 (49.1%)
Male: 27 (50.9%)
The racial composition of Petersville includes 86.79% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 46 | 86.79% |
| Two or more races | 7 | 13.21% |