Average Household Size by State

The idea of the American family has greatly changed over the last hundred years. While the traditional two-parent household still seems to be an ideal in America, a growing majority of American families include single parents, cohabiting-unmarried parents, and two parents with one or both remarried. This cultural change has resulted in different family sizes than the United States has previously seen.

The National Center for Biotechnology Information has identified major demographic changes in the American family including marriage, cohabitation, nonfamily households, remarriage, teen pregnancy, and female employment. These changes resulted in four major trends: 1) single parent households as a result of divorce or childbirth outside of marriage have increased; 2) more adults are living in nontraditional arrangements; 3) more women are participating in the workforce; and 4) there are fewer children and more elderly persons in the total population.

Learn for yourself how the average household size differs by state by looking at the data in the charts.

Average Household Size by State

Alabama - Average Household Size

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2.53

#2 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$56,929

#46 in the US

Alaska - Average Household Size

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2.78

#3 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$81,133

#12 in the US

Arizona - Average Household Size

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2.65

#4 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$70,821

#28 in the US

Arkansas - Average Household Size

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2.5

#5 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$50,784

#49 in the US

California - Average Household Size

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2.94

#6 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$81,575

#11 in the US

Colorado - Average Household Size

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2.6

#7 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$84,954

#8 in the US

Connecticut - Average Household Size

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2.5

#8 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$80,958

#13 in the US

Delaware - Average Household Size

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2.54

#9 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$68,687

#32 in the US

District of Columbia - Average Household Size

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2.3

#10 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$90,640

#2 in the US

Florida - Average Household Size

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2.62

#11 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$59,734

#44 in the US

Georgia - Average Household Size

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2.68

#12 in the US

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$61,497

#42 in the US

Hawaii - Average Household Size

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2.94

#13 in the US

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$82,199

#9 in the US

Idaho - Average Household Size

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2.66

#14 in the US

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$76,918

#18 in the US

Illinois - Average Household Size

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2.54

#15 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$79,253

#16 in the US

Indiana - Average Household Size

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2.5

#16 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$70,190

#29 in the US

Iowa - Average Household Size

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2.4

#17 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$72,429

#25 in the US

Kansas - Average Household Size

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2.48

#18 in the US

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$75,979

#20 in the US

Kentucky - Average Household Size

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2.48

#19 in the US

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$55,629

#47 in the US

Louisiana - Average Household Size

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2.59

#20 in the US

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$57,206

#45 in the US

Maine - Average Household Size

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2.29

#21 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$71,139

#26 in the US

Maryland - Average Household Size

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2.64

#22 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$97,332

#1 in the US

Massachusetts - Average Household Size

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2.5

#23 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$86,566

#7 in the US

Michigan - Average Household Size

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2.45

#24 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$64,488

#35 in the US

Minnesota - Average Household Size

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2.48

#25 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$80,441

#14 in the US

Mississippi - Average Household Size

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2.59

#26 in the US

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$46,637

#51 in the US

Missouri - Average Household Size

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2.44

#27 in the US

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$63,594

#37 in the US

Montana - Average Household Size

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2.37

#28 in the US

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$64,999

#34 in the US

Nebraska - Average Household Size

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2.44

#29 in the US

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$78,109

#17 in the US

Nevada - Average Household Size

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2.65

#30 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$64,340

#36 in the US

New Hampshire - Average Household Size

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2.44

#31 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$88,841

#3 in the US

New Jersey - Average Household Size

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2.66

#32 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$88,559

#4 in the US

New Mexico - Average Household Size

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2.59

#33 in the US

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$53,463

#48 in the US

New York - Average Household Size

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2.55

#34 in the US

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$72,920

#23 in the US

North Carolina - Average Household Size

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2.51

#35 in the US

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$62,891

#38 in the US

North Dakota - Average Household Size

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2.29

#36 in the US

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$68,882

#31 in the US

Ohio - Average Household Size

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2.41

#37 in the US

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$62,689

#39 in the US

Oklahoma - Average Household Size

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2.57

#38 in the US

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$60,096

#43 in the US

Oregon - Average Household Size

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2.49

#39 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$81,855

#10 in the US

Pennsylvania - Average Household Size

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2.42

#40 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$72,627

#24 in the US

Rhode Island - Average Household Size

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2.45

#41 in the US

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$74,982

#21 in the US

South Carolina - Average Household Size

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2.53

#42 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$62,542

#40 in the US

South Dakota - Average Household Size

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2.43

#43 in the US

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$73,893

#22 in the US

Tennessee - Average Household Size

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2.51

#44 in the US

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$62,166

#41 in the US

Texas - Average Household Size

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2.83

#45 in the US

MEDIAN HOUSEHOLD INCOMEhelp

$67,404

#33 in the US

Utah - Average Household Size

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3.09

#1 in the US

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$87,649

#5 in the US

Vermont - Average Household Size

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2.28

#46 in the US

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$76,079

#19 in the US

Virginia - Average Household Size

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2.6

#47 in the US

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$80,268

#15 in the US

Washington - Average Household Size

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2.53

#48 in the US

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$87,648

#6 in the US

West Virginia - Average Household Size

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2.4

#49 in the US

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$46,836

#50 in the US

Wisconsin - Average Household Size

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2.38

#50 in the US

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$69,943

#30 in the US

Wyoming - Average Household Size

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2.43

#51 in the US

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$71,052

#27 in the US

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0

#52 in the US