Petersburg CDP, Alaska Demographics & Population 2026

Name: Petersburg CDP, Alaska Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

As of 2026, Petersburg CDP, Alaska has a total population of 3,346, the 34th largest city in Alaska, with a median household income of $76,466, which is 14% lower than the state average. The poverty rate is 5.8%.

Petersburg CDP Quick Facts

Population 3,346

Median Household Income $76,466

Median Home Value $298,500

Poverty Rate 5.8%

Unemployment Rate 3.3%

Median Age 45.5 years

Homeownership Rate 70.6%

Affordability Ratio 3.9x

Bachelor's Degree or Higher 27.2%

High School Graduation Rate 90.5%

Diversity Index 59/100

Population 3,346 34th of 330

Median Income $76,466 above average

Poverty Rate 5.8% 54% lower national

Median Home Value $298,500 top 30%

How Petersburg CDP Compares

Median Household Income

Petersburg CDP

$76,466

$89,336

National

$78,538

Median Home Value

Petersburg CDP

$298,500

$333,300

National

$303,400

Economy & Housing

Household Income Distribution

Under $25K 11.3%

$25K-$50K 20.9%

$50K-$100K 34.5%

$100K+ 33.3%

Employment

3.3% Unemployment Rate State: 5.8% | National: 5.2%

67.1% Labor Force Participation

Housing Overview

Owner 70.6%

Renter 29.4%

Affordability Index Affordable

3.9x home value to income ratio

People & Demographics

Age Distribution

Under 18

19.5%

18-34

17.4%

35-54

25.0%

55-74

30.6%

75+

7.6%

Race & Ethnicity

Diversity Index

High Diversity

A diverse community with significant representation from multiple racial and ethnic groups.

State average: 56 | National average: 60

Education

Educational Attainment (Adults 25+)

Petersburg CDP Rankings in Alaska

#34 Population of 330

#88 Median Income of 330

#82 Education of 330

#54 Home Value of 330

Explore Alaska Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Cities Similar to Petersburg CDP

These cities in the same state have comparable population and economic profiles.

City	Population	Median Income	Home Value	Bachelor's+	Poverty
Big Lake CDP	3,291	$76,292	$286,600	19.6%	12.6%
Goldstream CDP	3,238	$92,604	$289,600	73.2%	6.3%
Mill Bay CDP	3,541	$94,359	$430,600	36.4%	5.7%
Eielson AFB CDP	3,133	$59,716	N/A	34.2%	1.8%
Seward city	2,735	$71,016	$290,300	36.9%	10.7%

Population Overview

Petersburg CDP is a small community located in Alaska. The total population is 3,346. It ranks as the 34th most populous out of 330 cities and towns in Alaska.

Age Demographics

The median age in Petersburg CDP is 45.5 years. This is 28% higher than the state median of 35.6 years.

Economy, Income & Housing

The median household income in Petersburg CDP is $76,466. This is 14% lower than the state median of $89,336. Compared to the national median of $78,538, household income here is 3% lower. The poverty rate stands at 5.8%. This is 43% lower than the state poverty rate of 10.2%. The unemployment rate is 3.3%. This is 42% lower than the state rate of 5.8%. The median home value is $298,500. Housing costs are 10% lower than the state median of $333,300. The home-value-to-income ratio is 3.9x. 70.6% of occupied housing units are owner-occupied. This homeownership rate is 6% higher than the state average of 66.6%.

Race & Ethnicity

The largest racial or ethnic group in Petersburg CDP is White (non-Hispanic), making up 58.6% of the population. Asian residents account for 13.3%. The Asian population is significantly higher than the state average (13.3% vs 6.3%).

Education

27.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 13% lower than the state rate of 31.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.5%.

Data Sources & Methodology

All demographic data for Petersburg CDP, Alaska is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Alaska state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 330 Census-designated places in Alaska. For official data, visit data.census.gov.

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Frequently Asked Questions

What is the population of Petersburg CDP, Alaska?

Petersburg CDP, Alaska has a population of 3,346 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Petersburg CDP, AK?

The median household income in Petersburg CDP is $76,466, which is 3% lower the national median of $78,538.

What is the poverty rate in Petersburg CDP, AK?

The poverty rate in Petersburg CDP is 5.8%. This means approximately 188 residents live below the federal poverty line.

What is the racial makeup of Petersburg CDP, Alaska?

Petersburg CDP's population is 58.6% White, 1.5% Black, 9.1% Hispanic/Latino, and 13.3% Asian.

What is the median home value in Petersburg CDP, AK?

The median home value in Petersburg CDP is $298,500. The home-value-to-income ratio is 3.9x.

How educated is Petersburg CDP, Alaska?

27.2% of adults (25+) in Petersburg CDP hold a bachelor's degree or higher, and 8.6% hold a graduate or professional degree.