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In 2021, the average size of households in Utah was 2.99 people, the largest of any state. Hawaii, California, Idaho, and Texas rounded out the top five states for largest household size in that year. Nationwide, the average household size was 2.54 people.

Average size of households in the United States in 2021, by state

Characteristic	Average size of household
United States	2.54
Utah	2.99
Hawaii	2.86
California	2.86
Idaho	2.7
Texas	2.68
Georgia	2.64
Nevada	2.61
Alaska	2.61
New Jersey	2.6
Maryland	2.56
Mississippi	2.54
Arizona	2.53
Virginia	2.52
Louisiana	2.52
New York	2.52
Oklahoma	2.51
Washington	2.51
Alabama	2.5
Florida	2.49
New Mexico	2.49
Arkansas	2.49
Illinois	2.48
South Carolina	2.47
Kansas	2.47
Indiana	2.47
Delaware	2.47
Colorado	2.46
New Hampshire	2.46
Tennessee	2.46
Kentucky	2.46
North Carolina	2.46
Minnesota	2.45
Connecticut	2.45
Massachusetts	2.44
Oregon	2.44
Nebraska	2.44
Michigan	2.43
Missouri	2.43
South Dakota	2.42
West Virginia	2.41
Pennsylvania	2.4
Montana	2.4
Rhode Island	2.39
Ohio	2.38
Iowa	2.38
Wisconsin	2.35
North Dakota	2.33
Wyoming	2.33
Vermont	2.29
Maine	2.25
District of Columbia	1.98

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Release date

September 2022

More information

Region

United States

Survey time period

2021

Supplementary notes

According to the definition by the U.S. Census Bureau a household "includes all of the people who occupy a housing unit. One person in each household is designated as the “householder.” In most cases, this is the person, or one of the people, in whose name the home is owned, being bought, or rented."

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