O'Fallon, Missouri Population 2022

93,714
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O'Fallon is a city located in Missouri. With a 2020 population of 93,714, it is the 7th largest city in Missouri and the 383rd largest city in the United States. O'Fallon is currently growing at a rate of 1.30% annually and its population has increased by 2.63% since the most recent census, which recorded a population of 91,316 in 2020. Spanning over 30 miles, O'Fallon has a population density of 3,147 people per square mile.

The average household income in O'Fallon is $108,521 with a poverty rate of 4.58%. The median rental costs in recent years comes to $1,153 per month, and the median house value is $235,200. The median age in O'Fallon is 37 years, 35 years for males, and 38.7 years for females.

O'Fallon Demographics

According to the most recent ACS, the racial composition of O'Fallonwas:

  • White: 87.82%
  • Black or African American: 4.81%
  • Asian: 3.78%
  • Two or more races: 2.84%
  • Other race: 0.65%
  • Native American: 0.07%
  • Native Hawaiian or Pacific Islander: 0.04%
The current population of O'Fallon, Missouri is 93,714 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 91,316.

O'Fallon, Missouri Population 2022

Population by Race

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O'Fallon Population by Race

O'Fallon Population Pyramid 2022

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O'Fallon Median Age

37.5


Total

35.7


Male

39.5


Female

O'Fallon Adults

There are 64,922 adults, (10,562 of whom are seniors) in O'Fallon.

O'Fallon Age Dependency

Age Dependency Ratio

19.4

Old Age Dependency Ratio

42.7

Child Dependency Ratio

O'Fallon Sex Ratio

Female

44,665

50.68%

Male

43,467

49.32%

O'Fallon Population by Age

O'Fallon Renter vs Owner Occupied by Household Type

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O'Fallon Household Types

82.7%

Rate of Home Ownership

O'Fallon Households and Families

3.2

Average Family Size

2.77

Average Household Size

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O'Fallon Households by Type

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O'Fallon Educational Attainment by Sex (over 25)

O'Fallon Educational Attainment by Race

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The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 67.11%.

O'Fallon Educational Attainment by Race

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$53,070

Average Earnings

$65,199

Average Male

$41,851

Average Female

O'Fallon Earnings by Educational Attainment

O'Fallon Language by Age

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O'Fallon Language

94.22% of O'Fallon residents speak only English, while 5.78% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.12% of the population.

O'Fallon Language

O'Fallon Poverty by Race

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4.58%

Overall Poverty Rate

3.78%

Male Poverty Rate

5.36%

Female Poverty Rate

Poverty in O'Fallon

The race most likely to be in poverty in O'Fallon is Multiple, with 18.97% below the poverty level.

The race least likely to be in poverty in O'Fallon is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.65%. Among those working part-time, it was 8.79%, and for those that did not work, the poverty rate was 8.70%.

O'Fallon Poverty

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O'Fallon Poverty Rate by Education

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O'Fallon Poverty Rate by Employment Status and Sex

O'Fallon Income by Household Type

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Income by Household Type

O'Fallon Marital Status

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Marriage Rates

57.9%

Overall Marriage Rate

60.0%

Male Marriage Rate

55.9%

Female Marriage Rate

O'Fallon Married by Age and Sex

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O'Fallon Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

O'Fallon Marital Status by Race

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O'Fallon Marital Status

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4,422

Number of Veterans

Male Veterans

Female Veterans

O'Fallon Veterans by War

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O'Fallon Veterans by Age

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O'Fallon Veterans by Race

O'Fallon Veterans by Education

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3.05%

Veteran Poverty Rate

25.96%

Veteran Disability Rate

O'Fallon Veterans by Education

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72.9%

Labor Force Participation

70.6%

Employment Rate

3%

Unemployment Rate

O'Fallon Employment by Age

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O'Fallon Employment by Race

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O'Fallon Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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69.65%

Born in O'Fallon

95.47%

Native Born

4.53%

Foreign Born

1.92%

Non Citizen

2.61%

Naturalized

Place of Birth

95.47% of O'Fallon residents were born in the United States, with 69.65% having been born in Missouri. 1.92% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

O'Fallon Place of Birth

Note: 2021 and 2022 data is projected

O'Fallon Population by Year