Petersburg, AK Profile: Facts, Map & Data


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Petersburg, Alaska - Basic Facts

The City of Petersburg (historical) had a population of 2,896 as of July 1, 2016. Petersburg ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Alaska. See peer rankings below.

The primary coordinate point for Petersburg is located at latitude 56.7543 and longitude -132.8738 in Petersburg Borough Borough. The formal boundaries for the City of Petersburg (historical) (see map below) encompass a land area of 44.14 sq. miles and a water area of 1.5 sq. miles. Petersburg Borough Borough is in the Alaska time zone (GMT -9). The elevation is 52 feet.

The City of Petersburg (historical) (GNIS ID: 2761697) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Petersburg (historical) is located within the Petersburg Census Subarea of Petersburg Borough Borough. Census subareas are statistical subdivisions of the county equivalents used in Alaska (boroughs, city and boroughs, municipalities, and census areas) and are the statistical equivalent of Micro Civil Divisions (MCDs) used in other states.

Beneath the boundary map are tables with Petersburg population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Petersburg: Seet Ka.

Neighborhood Data

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City of Petersburg (historical), AK Boundary Map

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Boundary Maps: Petersburg Census Subarea | Petersburg Borough Borough | Alaska Boroughs / Census Areas (CA)

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Petersburg, AK Data & Demographics (As of July 1, 2016)


Total Population 2,896
Population in Households 2,853
Population in Familes 2,231
Population in Group Qrtrs 43
Population Density1 66
Diversity Index2 55


Total Households 1,238
Average Household Size 2.3
Family Households 778
Average Family Size 3


Total Housing Units 1,354 (100%)
Owner Occupied HU 820 (60.6%)
Renter Occupied HU 418 (30.9%)
Vacant Housing Units 116 ( 8.6%)
Median Home Value $246,429
Average Home Value $249,939


Median Household Income $53,742
Average Household Income $72,647
Per Capita Income $31,124
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.28% -0.47%
Households -0.18% -0.41%
Families -0.26% -0.52%
Median Household Income   2.73%
Per Capita Income   1.79%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Petersburg, AK - Peer Comparisons by Rank and Percentile

The table below compares Petersburg to the other 354 incorporated cities, towns and CDPs in Alaska by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 36 90th
Population Density1 # 95 73rd
Diversity Index2 # 83 77th
Median Household Income # 131 63rd
Per Capita Income # 100 72nd

Additional comparisons and rankings can be made with a VERY EASY TO USE Alaska Census Data Comparison Tool.

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