Petersburg Borough, Alaska
Located in Alaska, Petersburg Borough has a population of 3,409 residents and a median age of 45.7 years, making it the #3,007 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 7.0%. The median home value is $315,100, and the median household income is $75,125, which is 0% below the national median.
Demographics
Petersburg Borough has a population of 3,409, making it the #3,007 most populous county in the US. The median age is 45.7 years, which is 17.5% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Petersburg Borough is $75,125, ranking #832 out of 3,222 counties — 0.0% below the national median. The poverty rate is 7.0% and unemployment stands at 3.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Petersburg Borough is $315,100 (+11.8% vs national). Renters pay a median of $950/mo and the homeownership rate is 65.7%.
Median Home Value Trend
Rankings →Household Type
Education
In Petersburg Borough, 25.8% of adults age 25+ hold a bachelor's degree or higher, which is 23.4% below the national average, ranking #1,135 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Petersburg Borough is 78.5 years. 15.2% of adults report poor or fair health and 18.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
16.3% of adults in Petersburg Borough smoke , 30.4% are obese , and 23.0% report excessive drinking.
Adult Smoking Trend
Safety
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Families & Children
11.0% of children in Petersburg Borough live in poverty .
Child Poverty Trend
Civic & Transportation
The mean commute time is 7.9 min, which is 71.2% below the national average.
Mean Commute Time Trend
Rankings →About Petersburg Borough, Alaska
Petersburg Borough, Alaska has a total population of 3,409, making it the 3,007th most populous county in the United States. The median age in Petersburg Borough is 45.7 years, which is 17.5% above the national median of 38.9 years.
The median household income in Petersburg Borough is $75,125, which ranks #832 of 3,222 counties nationwide. This is 0.0% below the national median of $75,149. The poverty rate is 7.0%, lower than the national rate of 12.6%. The unemployment rate stands at 3.6%.
The median home value in Petersburg Borough is $315,100, 11.8% above the national median. Renters in Petersburg Borough pay a median gross rent of $950 per month. The homeownership rate is 65.7%, compared to the national rate of 64.4%.
In Petersburg Borough, 25.8% of residents aged 25 and older hold a bachelor's degree or higher, 23.4% below the national average of 33.7%. Health insurance coverage stands at 90.7% of the population. The average commute time for workers is 7.9 min.
Petersburg Borough is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 61.5% of the population, followed by Asian (non-Hispanic) (12.4%) and Hispanic or Latino (10.9%).
All data for Petersburg Borough, Alaska comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.