Counties in Alaska by average household size

Kusilvak Census Area had the highest average household size of 30 counties in 2021, at 4.4 persons per household. Yakutat City and Borough had the lowest, at 2.3 persons per household. The median was 2.7 persons per household and the figure for Alaska was 2.7 persons per household. Source: the U.S. Census Bureau.

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Median2.730 counties
Alaska2.7History

Map of counties, 2021

Aleutians East Borough: 2.7 persons per householdAleutians West Census Area: 4.1 persons per householdAnchorage Municipality: 2.7 persons per householdBethel Census Area: 3.9 persons per householdBristol Bay Borough: 2.4 persons per householdChugach Census Area: 2.6 persons per householdCopper River Census Area: 2.8 persons per householdDenali Borough: 2.4 persons per householdDillingham Census Area: 3.3 persons per householdFairbanks North Star Borough: 2.6 persons per householdHaines Borough: 2.7 persons per householdHoonah-Angoon Census Area: 2.7 persons per householdJuneau City and Borough: 2.5 persons per householdKenai Peninsula Borough: 2.5 persons per householdKetchikan Gateway Borough: 2.5 persons per householdKodiak Island Borough: 2.9 persons per householdKusilvak Census Area: 4.4 persons per householdLake and Peninsula Borough: 2.8 persons per householdMatanuska-Susitna Borough: 2.8 persons per householdNome Census Area: 3.5 persons per householdNorth Slope Borough: 3.8 persons per householdNorthwest Arctic Borough: 4.2 persons per householdPetersburg Borough: 2.7 persons per householdPrince of Wales-Hyder Census Area: 2.5 persons per householdSitka City and Borough: 2.4 persons per householdSkagway Municipality: 3 persons per householdSoutheast Fairbanks Census Area: 3.1 persons per householdWrangell City and Borough: 2.5 persons per householdYakutat City and Borough: 2.3 persons per householdYukon-Koyukuk Census Area: 2.7 persons per household
  • Under 2.5
  • 2.5 to 2.6
  • 2.6 to 2.7
  • 2.7 to 2.8
  • 2.8 to 3.5
  • 3.5 and over
persons per household, 2021. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25010: average household size of occupied housing units. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

Kusilvak Census Area: 4.4 persons per householdKusilvak Census Area4.4Northwest Arctic Borough: 4.2 persons per householdNorthwest Arctic Borough4.2Aleutians West Census Area: 4.1 persons per householdAleutians West Census Area4.1Bethel Census Area: 3.9 persons per householdBethel Census Area3.9North Slope Borough: 3.8 persons per householdNorth Slope Borough3.8Nome Census Area: 3.5 persons per householdNome Census Area3.5Dillingham Census Area: 3.3 persons per householdDillingham Census Area3.3Southeast Fairbanks Census Area: 3.1 persons per householdSoutheast Fairbanks Census Area3.1Skagway Municipality: 3 persons per householdSkagway Municipality3Kodiak Island Borough: 2.9 persons per householdKodiak Island Borough2.9Copper River Census Area: 2.8 persons per householdCopper River Census Area2.8Lake and Peninsula Borough: 2.8 persons per householdLake and Peninsula Borough2.8Matanuska-Susitna Borough: 2.8 persons per householdMatanuska-Susitna Borough2.8Petersburg Borough: 2.7 persons per householdPetersburg Borough2.7Hoonah-Angoon Census Area: 2.7 persons per householdHoonah-Angoon Census Area2.7Anchorage Municipality: 2.7 persons per householdAnchorage Municipality2.7Aleutians East Borough: 2.7 persons per householdAleutians East Borough2.7Haines Borough: 2.7 persons per householdHaines Borough2.7Yukon-Koyukuk Census Area: 2.7 persons per householdYukon-Koyukuk Census Area2.7Fairbanks North Star Borough: 2.6 persons per householdFairbanks North Star Borough2.6Chugach Census Area: 2.6 persons per householdChugach Census Area2.6Kenai Peninsula Borough: 2.5 persons per householdKenai Peninsula Borough2.5Prince of Wales-Hyder Census Area: 2.5 persons per householdPrince of Wales-Hyder Census Area2.5Wrangell City and Borough: 2.5 persons per householdWrangell City and Borough2.5Ketchikan Gateway Borough: 2.5 persons per householdKetchikan Gateway Borough2.5Juneau City and Borough: 2.5 persons per householdJuneau City and Borough2.5Bristol Bay Borough: 2.4 persons per householdBristol Bay Borough2.4Sitka City and Borough: 2.4 persons per householdSitka City and Borough2.4Denali Borough: 2.4 persons per householdDenali Borough2.4Yakutat City and Borough: 2.3 persons per householdYakutat City and Borough2.3Kusilvak Census Area: 4.4 persons per householdKusilvak Census Area4.4Northwest Arctic Borough: 4.2 persons per householdNorthwest Arctic Borough4.2Aleutians West Census Area: 4.1 persons per householdAleutians West Census Area4.1Bethel Census Area: 3.9 persons per householdBethel Census Area3.9North Slope Borough: 3.8 persons per householdNorth Slope Borough3.8Nome Census Area: 3.5 persons per householdNome Census Area3.5Dillingham Census Area: 3.3 persons per householdDillingham Census Area3.3Southeast Fairbanks Census Area: 3.1 persons per householdSoutheast Fairbanks Census Area3.1Skagway Municipality: 3 persons per householdSkagway Municipality3Kodiak Island Borough: 2.9 persons per householdKodiak Island Borough2.9Copper River Census Area: 2.8 persons per householdCopper River Census Area2.8Lake and Peninsula Borough: 2.8 persons per householdLake and Peninsula Borough2.8Matanuska-Susitna Borough: 2.8 persons per householdMatanuska-Susitna Borough2.8Petersburg Borough: 2.7 persons per householdPetersburg Borough2.7Hoonah-Angoon Census Area: 2.7 persons per householdHoonah-Angoon Census Area2.7Anchorage Municipality: 2.7 persons per householdAnchorage Municipality2.7Aleutians East Borough: 2.7 persons per householdAleutians East Borough2.7Haines Borough: 2.7 persons per householdHaines Borough2.7Yukon-Koyukuk Census Area: 2.7 persons per householdYukon-Koyukuk Census Area2.7Fairbanks North Star Borough: 2.6 persons per householdFairbanks North Star Borough2.6Chugach Census Area: 2.6 persons per householdChugach Census Area2.6Kenai Peninsula Borough: 2.5 persons per householdKenai Peninsula Borough2.5Prince of Wales-Hyder Census Area: 2.5 persons per householdPrince of Wales-Hyder Census Area2.5Wrangell City and Borough: 2.5 persons per householdWrangell City and Borough2.5Ketchikan Gateway Borough: 2.5 persons per householdKetchikan Gateway Borough2.5Juneau City and Borough: 2.5 persons per householdJuneau City and Borough2.5Bristol Bay Borough: 2.4 persons per householdBristol Bay Borough2.4Sitka City and Borough: 2.4 persons per householdSitka City and Borough2.4Denali Borough: 2.4 persons per householdDenali Borough2.4Yakutat City and Borough: 2.3 persons per householdYakutat City and Borough2.3
persons per household. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25010: average household size of occupied housing units. Retrieved 2026-10-12.

Full ranking

Other periods

About this ranking

Average number of persons per private household. EU countries: EU-SILC. United States: American Community Survey five-year estimate of people in households divided by occupied housing units, where the period shown is the last year of the five-year span.

Covers private households only; people living in institutions or other group quarters are excluded. EU-SILC figures refer to the survey year. The EU and US surveys differ, so their figures are not strictly comparable.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B25010: average household size of occupied housing units. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25010.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B25010: average household size of occupied housing units (Counties in Alaska by average household size, 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25010.dat

MLA 9

American Community Survey 5-year estimates, table B25010: average household size of occupied housing units, Counties in Alaska by average household size, 2021. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25010.dat. Invokely, https://invokely.ai/rankings/average-household-size/alaska-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B25010: average household size of occupied housing units. Counties in Alaska by average household size, 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25010.dat. Also distributed by Invokely, https://invokely.ai/rankings/average-household-size/alaska-counties?period=2021.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B25010: average household size of occupied housing units, Counties in Alaska by average household size, 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25010.dat, via Invokely: https://invokely.ai/rankings/average-household-size/alaska-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_alaska_by_2021,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B25010: average household size of occupied housing units: Counties in Alaska by average household size, 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25010.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/average-household-size/alaska-counties?period=2021. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25010: average household size of occupied housing units. https://www2.census.gov/programs-surveys/acs/summary\_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25010.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B25010: average household size of occupied housing units: Counties in Alaska by average household size, 2021
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25010.dat
L2  - https://invokely.ai/rankings/average-household-size/alaska-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/average-household-size/alaska-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25010: average household size of occupied housing units. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25010.dat. Retrieved 2026-10-12.
ER  - 
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Questions

Which county has the highest average household size?

Kusilvak Census Area, with 4.4 persons per household in 2021, according to the U.S. Census Bureau.

Which county has the lowest average household size?

Yakutat City and Borough, with 2.3 persons per household in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B25010: average household size of occupied housing units. Retrieved 2026-10-12.

Average household size: other rankings

Counties in Alaska: more rankings