Petersburg

County:: Petersburg Borough
County Seat:: No
Area (mi²):: 44.169
State:: Alaska

Petersburg is a CDP located in Petersburg Borough, Alaska. Petersburg has a 2025 population of 4,146. Petersburg is currently growing at a rate of 7.13% annually and its population has increased by 30.79% since the most recent census, which recorded a population of 3,170 in 2020.

The average household income in Petersburg is $96,658 with a poverty rate of 5.78%.The median age in Petersburg is 45.5 years: 44.5 years for males, and 47 years for females.

Demographics

The racial composition of Petersburg includes 61.18% White, 13.33% Asian, 7.62% Native American, and smaller percentages for other race, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,047	61.18%
Asian	446	13.33%
Two or more races	442	13.21%
Native American	255	7.62%
Other race	83	2.48%
Black or African American	50	1.49%
Native Hawaiian or Pacific Islander	23	0.69%

Petersburg Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Petersburg's average per capita income is $39,575. Household income levels show a median of $76,466. The poverty rate stands at 5.78%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$104,688	-
Families	$92,857	$118,913
Households	$76,466	$96,658
Non Families	$39,118	$51,617

$39,575

Average Income

$76,466

Median Household Income

5.78%

Poverty Rate