Population density (sq mi)68191
Median age40.233.637.7
Male/Female ratio1.2:11.1:11.0:1
Married (15yrs & older)55%53%55%
Families w/ Kids under 1842%48%43%
Speak English84%84%79%
Speak Spanish9%4%13%

Key findings

  • The population density in Petersburg is 6689% higher than Alaska
  • The median age in Petersburg is 20% higher than Alaska
  • In Petersburg 75.63% of the population is White
  • In Petersburg 2.50% of the population is Black
  • In Petersburg 4.77% of the population is Asian

Compare Petersburg, AK Demographics


      Petersburg population breakdown by race

      American Indian5.97%14.06%0.82%
      Native Hawaiian0.67%1.20%0.18%
      Mixed race8.41%8.46%3.06%
      Other race2.04%1.34%4.75%
      In Petersburg, 11.0% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Petersburg age breakdown

      Marital status

      Age of children in married couples

      Source: The Petersburg, AK demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).