United States › Alaska › Petersburg Borough COUNTY
Petersburg Alaska · 3,394 residents (2025 est.) · 2,901 sq mi
Time machine
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The short version
Petersburg is a county of 3,409 people in Alaska. The average commute runs 7 minutes. At a median age of 45.7, this is an older place than the country as a whole. That puts it in the top 7% of US counties for household income. Density works out to 1 people per square mile. 26% of adults hold a bachelor's degree or higher.
At a glance
Lower income
below the US median
US median: $82,259
Older
median age 45.7
US median: 38.9
Less educated
26% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 3,394 in 2023
3,394 in 2025 (Census Bureau estimate)
1 / sq mi
Unchangedsince 2023
from 1 / sq mi in 2023
US average: 281
from 45.7 in 2023
US average: 38.9
Population, 2009 – 2024
3K 3K 4K 4K 4K 2009 2010 2020 2024 Petersburg Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $75,125
−5%inflation adjusted, since 2023
from $77,026 in 2023
US average: $82,259
from $42,380 in 2023
US average: $44,673
Households earning $100K+
from 51.8% in 2023
US average: 53.3%
from 5.7% in 2023
US average: 12.5%
from 0.412 in 2023
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing 17.7%
Professional, scientific, technical 5.9%
Arts, entertainment, food 1.4%
Transportation & warehousing 1.2%
Education & health services 0.5%
Public administration 0.5%
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$315,100
+2%inflation adjusted, since 2023
from $301,300 in 2023
US average: $376,019
$950
−24%inflation adjusted, since 2023
from $1,208 in 2023
US average: $1,442
from 71.0% in 2023
34.3% rent
from 29.5% in 2023
US average: 10.0%
from 2.42 people in 2023
US average: 2.54
from 15.3% in 2023
US average: 22.9%
from 40.2% in 2023
US average: 47.4%
from 3.9 in 2023
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2023
White, non-Hispanic 59.1%(2,007)
Hispanic / Latino 8.9%(303)
2024
White, non-Hispanic 61.5%(2,096)
Hispanic / Latino 10.9%(371)
from 74 in 2023
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 21 more ancestry groups with data from 27.5% in 2023
US average: 35.6%
High school or higher
from 90.6% in 2023
US average: 89.6%
from 8.5% in 2023
US average: 14.0%
Section 06
Commute & transportation from 7.1 min in 2023
US average: 26.5
from 52.2% in 2023
US average: 68.9%
from 9.9% in 2023
US average: 8.5%
from 0.2% in 2023
US average: 3.2%
from 7.4% in 2023
US average: 15.0%
from 21.0% in 2023
US average: 2.4%
from 2.1% in 2023
US average: 0.4%
from 11.8% in 2023
US average: 8.3%
Section 07
Work & employment from 4.2% in 2023
US average: 5.2%
from 66.6% in 2023
US average: 63.5%
Women 20-64 in the labor force
US average: 74.6%
from 20.3% in 2023
US average: 13.1%
from 23.8% in 2023
US average: 42.5%
Section 08
People & community from 14.5% in 2023
US average: 14.1%
from 6.5% in 2023
US average: 6.2%
from 16.1% in 2023
US average: 13.3%
from 10.9% in 2023
US average: 8.4%
from 86.7% in 2023
US average: 91.0%
Computer in household
US average: 95.5%
from 82.8% in 2023
US average: 77.7%
from 4.0% in 2023
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 10.9% in 2023
US average: 8.4%
Direct-purchase
US average: 13.8%
VA health care
US average: 2.2%
Any private
US average: 67.1%
Any public
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 22.7%(42)
Share of the 185 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Petersburg Head to head
Compare Petersburg to nearby counties PETERSBURG VS
Wrangell
Income $63,750 −15%
Home value $296,400 −6%
Population 2,007 −41%
SEE FULL COMPARISON →
PETERSBURG VS
Juneau
Income $101,661 +35%
Home value $449,300 +43%
Population 31,609 +831%
SEE FULL COMPARISON →
PETERSBURG VS
Prince of Wales-Hyder Census Area
Income $61,156 −19%
Home value $225,300 −28%
Population 5,777 +70%
SEE FULL COMPARISON →
PETERSBURG VS
Ketchikan Gateway
Income $92,885 +24%
Home value $393,300 +25%
Population 13,549 +299%
SEE FULL COMPARISON →
Frequently asked
How many people live in Petersburg, Alaska? Petersburg, Alaska has about 3,409 residents according to the 2024 American Community Survey.
What is the median household income in Petersburg, Alaska? The typical household in Petersburg, Alaska earns about $75,125 a year. Half of households make more than that, and half make less.
Is Petersburg, Alaska expensive? In Petersburg, Alaska, the median home is worth about $315,100, and the typical rent is about $950 a month.
How educated are people in Petersburg, Alaska? About 25.8% of adults age 25 and over in Petersburg, Alaska hold a bachelor's degree or higher.
What is the poverty rate in Petersburg, Alaska? About 7.0% of people in Petersburg, Alaska live below the federal poverty line.
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