Petersburg demographics profile

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%
Petersburg, AK has a population of 2,996 and is the 8,823rd largest city in the United States. The population density is 68 per sq mi which is 6072% higher than the Alaska average and 25% lower than the national average. The median age in Petersburg is 40 which is approximately 20% higher than the Alaska average of 34. In Petersburg, 55% of the population over 15 years of age are married, 84% speak English and 9% speak Spanish. 40% of Petersburg residents were born in Alaska, 51% were born out of state, 1% were born outside of the United States and 8% were foreign born.

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Did you know?

  • The population density in Petersburg is 6072% 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 or African American.
  • In Petersburg 4.77% of the population is Asian.

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Compare Petersburg, AK Demographics To Other Cities

Petersburg population breakdown by race

Black or African American2.50%3.32%12.63%
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.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

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).
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