What kinds of homes are in Petersburg, AK?

Name: Types of homes in Petersburg, AK, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Petersburg, AK has 1,507 (±144) homes (2020–2024 American Community Survey).

That is about 34 homes per square mile of land.

62.4% are detached single-family houses.

8.3% are in buildings of two to four units.

12.7% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,507 (±144)
Detached houses: 62.4%
2–4 unit buildings: 8.3%
5+ unit buildings: 12.7%

Homes in Petersburg by building size

Housing units by units in structure, 2020–2024
Building type	Petersburg	Petersburg Borough	Alaska	United States
Single-family, detached	62.4% (±4.2 points)	69.6%	63.2%	61.3%
Single-family, attached (townhouse, rowhouse)	2.9% (±1.4 points)	2.4%	7.8%	6.2%
2 units	4.1% (±1.5 points)	3.3%	5.3%	3.4%
3 or 4 units	4.2% (±2.6 points)	3.4%	7.2%	4.3%
5 to 9 units	7.2% (±2.9 points)	5.8%	4.7%	4.5%
10 to 19 units	0.2% (±0.2 points)	0.2%	2.8%	4.3%
20 or more units	5.3% (±1.3 points)	4.3%	4.9%	10.3%
Mobile home	13.5% (±3.2 points)	11.0%	3.9%	5.6%
Boat, RV, van, etc.	0.1% (±0.3 points)	0.1%	0.1%	0.1%

In Petersburg, the share of homes in buildings of five or more units is not measurably different from Petersburg Borough (10.3%).

It is not measurably different from Alaska (12.4%).

It is lower than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Petersburg

Nearest places with a published estimate, compared with Petersburg
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Petersburg	—	12.7% (±3.2 points)	—
Kupreanof	5.8 mi	0.0% (±96.1 points)	Not measurably different
Kake	42 mi	4.9% (±8.0 points)	Not measurably different
Whale Pass	47 mi	2.4% (±36.4 points)	Not measurably different
Wrangell	51 mi	9.0% (±2.7 points)	Not measurably different
Coffman Cove	52 mi	0.0% (±19.1 points)	Not measurably different
Edna Bay	63 mi	0.0% (±72.1 points)	Not measurably different
Thorne Bay	76 mi	1.6% (±8.1 points)	Lower
Angoon	77 mi	2.5% (±12.4 points)	Not measurably different

Nearby places with a measurably lower figure: Thorne Bay, AK (1.6%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Petersburg is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Petersburg

How many homes are in Petersburg?

Petersburg, AK has an estimated 1,507 (±144) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Petersburg houses or apartments?

62.4% are detached houses and 2.9% attached houses, while 21.0% are in buildings of two or more units.

How many two-family and small multifamily homes are in Petersburg?

8.3% of homes in Petersburg are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Petersburg CDP, Alaska

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Petersburg CDP, Alaska (place:60310, in state:02).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.