Average Household Size By State

Last updated September 18, 2024

Average Family Size
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Average Family Size
1.UtahUtah3.58
2.CaliforniaCalifornia3.52
3.HawaiiHawaii3.50
4.TexasTexas3.44
5.AlaskaAlaska3.38
6.District of ColumbiaDistrict of Columbia3.36
7.NevadaNevada3.28
8.GeorgiaGeorgia3.28
9.New MexicoNew Mexico3.28
10.LouisianaLouisiana3.27
11.ArizonaArizona3.26
12.MarylandMaryland3.24
13.New JerseyNew Jersey3.23
14.FloridaFlorida3.23
15.MississippiMississippi3.21
16.New YorkNew York3.21
17.IdahoIdaho3.20
18.IllinoisIllinois3.20
19.ColoradoColorado3.19
20.OklahomaOklahoma3.18
21.VirginiaVirginia3.17
22.AlabamaAlabama3.16
23.South CarolinaSouth Carolina3.13
24.DelawareDelaware3.11
25.MassachusettsMassachusetts3.10
26.North CarolinaNorth Carolina3.09
27.TennesseeTennessee3.09
28.Rhode IslandRhode Island3.09
29.IndianaIndiana3.09
30.KansasKansas3.08
31.WashingtonWashington3.08
32.ConnecticutConnecticut3.08
33.ArkansasArkansas3.08
34.MinnesotaMinnesota3.07
35.MichiganMichigan3.05
36.NebraskaNebraska3.04
37.MissouriMissouri3.04
38.South DakotaSouth Dakota3.04
39.KentuckyKentucky3.04
40.PennsylvaniaPennsylvania3.02
41.OregonOregon3.02
42.OhioOhio3.02
43.WyomingWyoming3.00
44.IowaIowa2.98
45.MontanaMontana2.98
46.WisconsinWisconsin2.97
47.West VirginiaWest Virginia2.96
48.North DakotaNorth Dakota2.95
49.New HampshireNew Hampshire2.94
50.VermontVermont2.83
51.MaineMaine2.82

The Changing Face of the American Household

Household sizes in the United States have undergone significant changes over the years, ushering in a new era of diversity and complexity. With the changing dynamics of the American family, traditional boundaries and norms have been reshaped, reflecting societal and demographic shifts. Families, as the most fundamental social unit, have morphed in size due to many factors including marriage trends, cohabitation patterns, divorce rates, and the participation of women in the workforce. Against this backdrop, our exploration into the average household size across U.S. states reveals fascinating insights. By leveraging publicly available data, we've highlighted variations in the average family size across the country and unearthed key patterns and trends. Here are some key findings from the data:

  • The state with the largest average family size is Utah, boasting an impressive average of 3.58 individuals per household, followed closely by California and Hawaii with averages of 3.52 and 3.50 respectively.
  • Western and Southern states, such as Utah, California, Hawaii, Texas, and Alaska, make up the top five states with the largest family sizes. This could be a result of several cultural, economic, or societal factors specific to these regions.
  • States in the Northeast region - Vermont (2.83), Maine (2.82), and New Hampshire (2.94) have the smallest average family sizes. This is likely influenced by demographic trends and socioeconomic conditions in the region, such as late parenting and lower fertility rates.
  • Interestingly, the District of Columbia, despite being highly urbanized, has a relatively larger average family size (3.36) compared to other states, outranking over 40 states in this aspect.

By Region

Alabama

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Ranked in U.S.

#22

Alaska

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Ranked in U.S.

#5

Arizona

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Ranked in U.S.

#11

Arkansas

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Ranked in U.S.

#33

California

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Ranked in U.S.

#2

Colorado

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Ranked in U.S.

#19

Connecticut

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Ranked in U.S.

#32

Delaware

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Ranked in U.S.

#24

District of Columbia

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Ranked in U.S.

#6

Florida

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Ranked in U.S.

#14

Georgia

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Ranked in U.S.

#8

Hawaii

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Ranked in U.S.

#3

Idaho

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Ranked in U.S.

#17

Illinois

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Ranked in U.S.

#18

Indiana

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Ranked in U.S.

#29

Iowa

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Ranked in U.S.

#44

Kansas

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Ranked in U.S.

#30

Kentucky

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Ranked in U.S.

#39

Louisiana

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Ranked in U.S.

#10

Maine

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Ranked in U.S.

#51

Maryland

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Ranked in U.S.

#12

Massachusetts

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Ranked in U.S.

#25

Michigan

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Ranked in U.S.

#35

Minnesota

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Ranked in U.S.

#34

Mississippi

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Ranked in U.S.

#15

Missouri

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Ranked in U.S.

#37

Montana

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Ranked in U.S.

#45

Nebraska

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Ranked in U.S.

#36

Nevada

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Ranked in U.S.

#7

New Hampshire

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Ranked in U.S.

#49

New Jersey

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Ranked in U.S.

#13

New Mexico

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Ranked in U.S.

#9

New York

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Ranked in U.S.

#16

North Carolina

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Ranked in U.S.

#26

North Dakota

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Ranked in U.S.

#48

Ohio

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Ranked in U.S.

#42

Oklahoma

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Ranked in U.S.

#20

Oregon

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Ranked in U.S.

#41

Pennsylvania

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Ranked in U.S.

#40

Rhode Island

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Ranked in U.S.

#28

South Carolina

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Ranked in U.S.

#23

South Dakota

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Ranked in U.S.

#38

Tennessee

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Ranked in U.S.

#27

Texas

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Ranked in U.S.

#4

Utah

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Ranked in U.S.

#1

Vermont

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Ranked in U.S.

#50

Virginia

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Ranked in U.S.

#21

Washington

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Ranked in U.S.

#31

West Virginia

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Ranked in U.S.

#47

Wisconsin

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Ranked in U.S.

#46

Wyoming

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Ranked in U.S.

#43

Table

Region ↕Average Family Size↕
Alabama iconAlabama3.16
Alaska iconAlaska3.38
Arizona iconArizona3.26
Arkansas iconArkansas3.08
California iconCalifornia3.52
Colorado iconColorado3.19
Connecticut iconConnecticut3.08
Delaware iconDelaware3.11
District of Columbia iconDistrict of Columbia3.36
Florida iconFlorida3.23
Georgia iconGeorgia3.28
Hawaii iconHawaii3.50
Idaho iconIdaho3.20
Illinois iconIllinois3.20
Indiana iconIndiana3.09
Iowa iconIowa2.98
Kansas iconKansas3.08
Kentucky iconKentucky3.04
Louisiana iconLouisiana3.27
Maine iconMaine2.82
Maryland iconMaryland3.24
Massachusetts iconMassachusetts3.10
Michigan iconMichigan3.05
Minnesota iconMinnesota3.07
Mississippi iconMississippi3.21
Missouri iconMissouri3.04
Montana iconMontana2.98
Nebraska iconNebraska3.04
Nevada iconNevada3.28
New Hampshire iconNew Hampshire2.94
New Jersey iconNew Jersey3.23
New Mexico iconNew Mexico3.28
New York iconNew York3.21
North Carolina iconNorth Carolina3.09
North Dakota iconNorth Dakota2.95
Ohio iconOhio3.02
Oklahoma iconOklahoma3.18
Oregon iconOregon3.02
Pennsylvania iconPennsylvania3.02
Rhode Island iconRhode Island3.09
South Carolina iconSouth Carolina3.13
South Dakota iconSouth Dakota3.04
Tennessee iconTennessee3.09
Texas iconTexas3.44
Utah iconUtah3.58
Vermont iconVermont2.83
Virginia iconVirginia3.17
Washington iconWashington3.08
West Virginia iconWest Virginia2.96
Wisconsin iconWisconsin2.97
Wyoming iconWyoming3.00
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