15 U.S. Cities With the Largest Families

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Big happy family
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This story originally appeared on RetailMeNot.

While the average family size in the U.S. remains well below its peak in the 1960s, the number of children per household has been steadily increasing for decades.

In 2019, married-couple households with kids under age 18 had 1.98 kids on average, according to U.S. Census Bureau data.

At the same time, the cost of raising children has also been on the rise.

However, fertility rates and cost of living vary significantly between cities and states throughout the country. As these trends extend into the future, large families in high-cost-of-living areas will feel the growing burden of high child-rearing costs more than others.

Researchers at RetailMeNot analyzed data from the U.S. Census Bureau to find which cities have the largest families.

To find the metropolitan areas with the largest families, researchers at RetailMeNot looked at the latest data from the U.S. Census Bureau and the Bureau of Economic Analysis. The researchers ranked metro areas according to the average number of kids per family.

Researchers also calculated the proportion of families with kids headed by a single parent, median household income for dual-parent households, median household income for single-parent households, and the cost of living relative to the national average.

Following are the large metropolitan areas with the biggest families.

15. Oklahoma City

Oklahoma City skyline
Natalia Bratslavsky / Shutterstock.com
  • Average number of kids per family: 1.90
  • Proportion of families with kids headed by a single parent: 24.2%
  • Median household income (dual-parent households): $81,000
  • Median household income (single-parent households): $30,374
  • Cost of living: 9.3% less than average

14. San Antonio

San Antonio, Texas outdoors
Sean Pavone / Shutterstock.com
  • Average number of kids per family: 1.90
  • Proportion of families with kids headed by a single parent: 26.7%
  • Median household income (dual-parent households): $81,400
  • Median household income (single-parent households): $30,681
  • Cost of living: 6.1% less than average

13. Kansas City, Missouri

Kansas City, Missouri Public Library
MGH / Shutterstock.com
  • Average number of kids per family: 1.90
  • Proportion of families with kids headed by a single parent: 23.0%
  • Median household income (dual-parent households): $97,334
  • Median household income (single-parent households): $33,872
  • Cost of living: 7.1% less than average

12. Dallas

Dallas, Texas
mandritoiu / Shutterstock.com
  • Average number of kids per family: 1.90
  • Proportion of families with kids headed by a single parent: 22.6%
  • Median household income (dual-parent households): $93,000
  • Median household income (single-parent households): $35,566
  • Cost of living: 0.7% greater than average

11. Memphis, Tennessee

Memphis, Tennessee
f11photo / Shutterstock.com
  • Average number of kids per family: 1.91
  • Proportion of families with kids headed by a single parent: 35.2%
  • Median household income (dual-parent households): $86,199
  • Median household income (single-parent households): $25,404
  • Cost of living: 9.8% less than average

10. Las Vegas

Las Vegas, Nevada
Kobby Dagan / Shutterstock.com
  • Average number of kids per family: 1.91
  • Proportion of families with kids headed by a single parent: 26.6%
  • Median household income (dual-parent households): $75,116
  • Median household income (single-parent households): $33,516
  • Cost of living: 3.2% less than average

9. Cincinnati

Street scene in Cincinnati, Ohio
aceshot1 / Shutterstock.com
  • Average number of kids per family: 1.91
  • Proportion of families with kids headed by a single parent: 24.4%
  • Median household income (dual-parent households): $100,559
  • Median household income (single-parent households): $29,326
  • Cost of living: 10.0% less than average

8. Houston

Riding bikes in Houston
Nate Hovee / Shutterstock.com
  • Average number of kids per family: 1.91
  • Proportion of families with kids headed by a single parent: 22.4%
  • Median household income (dual-parent households): $90,388
  • Median household income (single-parent households): $31,739
  • Cost of living: 1.8% greater than average

7. Tucson, Arizona

Tucson, AZ
Sean-Pavone / Shutterstock.com
  • Average number of kids per family: 1.92
  • Proportion of families with kids headed by a single parent: 27.6%
  • Median household income (dual-parent households): $74,096
  • Median household income (single-parent households): $28,587
  • Cost of living: 6.1% less than average

6. Grand Rapids, Michigan

Grand Rapids, Michigan
Henryk Sadura / Shutterstock.com
  • Average number of kids per family: 1.95
  • Proportion of families with kids headed by a single parent: 21.0%
  • Median household income (dual-parent households): $90,034
  • Median household income (single-parent households): $31,528
  • Cost of living: 7.8% less than average

5. Milwaukee

Milwaukee, Wisconsin
Rudy Balasko / Shutterstock.com
  • Average number of kids per family: 1.95
  • Proportion of families with kids headed by a single parent: 28.3%
  • Median household income (dual-parent households): $103,311
  • Median household income (single-parent households): $30,739
  • Cost of living: 5.2% less than average

4. Minneapolis

Lake Calhoun, Minneapolis
Roger Siljander / Shutterstock.com
  • Average number of kids per family: 1.95
  • Proportion of families with kids headed by a single parent: 18.6%
  • Median household income (dual-parent households): $115,425
  • Median household income (single-parent households): $41,805
  • Cost of living: 2.6% greater than average

3. Phoenix

Phoenix, Arizona
f11photo / Shutterstock.com
  • Average number of kids per family: 1.98
  • Proportion of families with kids headed by a single parent: 22.3%
  • Median household income (dual-parent households): $83,898
  • Median household income (single-parent households): $35,862
  • Cost of living: 1.9% less than average

2. Riverside, California

Riverside, California at night
MattGush / Shutterstock.com
  • Average number of kids per family: 1.99
  • Proportion of families with kids headed by a single parent: 20.6%
  • Median household income (dual-parent households): $75,116
  • Median household income (single-parent households): $31,861
  • Cost of living: 7.0% greater than average

1. Salt Lake City

Salt Lake City, Utah
f11photo / Shutterstock.com
  • Average number of kids per family: 2.16
  • Proportion of families with kids headed by a single parent: 16.0%
  • Median household income (dual-parent households): $89,026
  • Median household income (single-parent households): $40,000
  • Cost of living: 1.3% less than average

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