From a total population of 3,212, Petersburg has a median age of 41.8. The average age of males, in Petersburg, is 39.8 while the average age of females is 43. When you compare this to median age of Alaska, Petersburg is 8.4 years older.
The median income of individuals, in Petersburg, is $36,307 while the average household income is $61,492. When comparing the median income of people living in Petersburg to the rest of Alaska, the average income in Petersburg is $3,178 more.