O'Fallon, Missouri Population 2021
O'Fallon is a city located in Missouri. With a 2020 population of 89,291, it is the 7th largest city in Missouri and the 382nd largest city in the United States . O'Fallon is currently growing at a rate of 0.35% annually and its population has increased by 12.56% since the most recent census, which recorded a population of 79,329 in 2010. O'Fallon reached it's highest population of in . Spanning over 30 miles, O'Fallon has a population density of 2,998 people per square mile.
The average household income in O'Fallon is $108,521 with a poverty rate of 4.45%. The median rental costs in recent years comes to $1,103 per month, and the median house value is $226,300. 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: 88.86%
- Black or African American: 4.61%
- Asian: 3.41%
- Two or more races: 2.56%
- Other race: 0.41%
- Native American: 0.12%
- Native Hawaiian or Pacific Islander: 0.03%
O'Fallon, Missouri Population 2021
| Race | Population | Percentage |
|---|---|---|
| White | 77,523 | 88.86% |
| Black or African American | 4,025 | 4.61% |
| Asian | 2,975 | 3.41% |
| Two or More Races | 2,237 | 2.56% |
| Some Other Race | 357 | 0.41% |
| American Indian and Alaska Native | 101 | 0.12% |
| Native Hawaiian and Other Pacific Islander | 24 | 0.03% |
O'Fallon Population by Race
O'Fallon Population Pyramid $2021
O'Fallon Population by Age
O'Fallon Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 30,978 | 2.8 | 82.2 |
| Married | 18,776 | 3.35 | 92.6 |
| Non Family | 7,524 | 1.23 | 63.7 |
| Female | 3,381 | 3.17 | 66.2 |
| Male | 1,297 | 3.05 | 80.1 |
3.24
Average Family Size
2.8
Average Household Size
O'Fallon Households by Type
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 466 | 0.82% |
| 9th to 12th Grade | 1,868 | 3.27% |
| High School Graduate | 13,548 | 23.70% |
| Some College | 12,715 | 22.24% |
| Associates Degree | 4,811 | 8.42% |
| Bachelors Degree | 14,989 | 26.22% |
| Graduate Degree | 8,764 | 15.33% |
O'Fallon Educational Attainment by Sex (over 25)
O'Fallon Educational Attainment by Race
| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 50,402 | 48,359 | 20,251 |
| Black | 2,661 | 2,551 | 1,348 |
| Asian | 2,036 | 1,945 | 1,461 |
| Hispanic | 1,420 | 1,330 | 509 |
| 2+ Races | 685 | 685 | 246 |
| Other Race | 213 | 164 | 41 |
| Native American | 101 | 101 | 33 |
| Islander | 24 | 24 |
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 71.76%.
O'Fallon Educational Attainment by Race
$51,774
Average Earnings
$64,107
Average Male
$40,771
Average Female
O'Fallon Earnings by Educational Attainment
O'Fallon Language by Age
O'Fallon Language
94.05% of O'Fallon residents speak only English, while 5.95% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.18% of the population.
O'Fallon Language
O'Fallon Poverty by Race
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 74,825 | 2,467 | 3.30% |
| Black | 3,992 | 546 | 13.68% |
| Multiple | 2,237 | 534 | 23.87% |
| Hispanic | 2,707 | 200 | 7.39% |
| Asian | 2,975 | 100 | 3.36% |
| Other | 357 | 74 | 20.73% |
| Native | 101 | 6 | 5.94% |
4.45%
Overall Poverty Rate
3.64%
Male Poverty Rate
5.24%
Female Poverty Rate
Poverty in O'Fallon
The race most likely to be in poverty in O'Fallon is Multiple, with 23.87% below the poverty level.
The race least likely to be in poverty in O'Fallon is White, with 3.30% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.91%. Among those working part-time, it was 7.92%, and for those that did not work, the poverty rate was 7.62%.
O'Fallon Poverty
O'Fallon Poverty Rate by Education
O'Fallon Marital Status
Marriage Rates
57.2%
Overall Marriage Rate
58.9%
Male Marriage Rate
55.7%
Female Marriage Rate
O'Fallon Married by Age and Sex
O'Fallon Marriage
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.
O'Fallon Marital Status by Race
O'Fallon Marital Status
O'Fallon Veterans by War
O'Fallon Veterans by Age
| Name | Veterans | % of Total |
|---|---|---|
| White | 4,366 | 7.64% |
| Black | 287 | 9.74% |
| Hispanic | 74 | 5.12% |
| 2+ Races | 44 | 4.66% |
| Other Race | 18 | 7.73% |
| Asian | 10 | 0.49% |
O'Fallon Veterans by Race
O'Fallon Veterans by Education
1.07%
Veteran Poverty Rate
25.75%
Veteran Disability Rate
O'Fallon Veterans by Education
72.8%
Labor Force Participation
70.6%
Employment Rate
2.8%
Unemployment Rate
O'Fallon Employment by Age
O'Fallon Employment by Race
O'Fallon Employment by Education
Origin of Non-Citizens
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Origin of Naturalized Citizens
69.73%
Born in O'Fallon
95.86%
Native Born
4.14%
Foreign Born
2.08%
Non Citizen
2.06%
Naturalized
Place of Birth
95.86% of O'Fallon residents were born in the United States, with 69.73% having been born in Missouri. 2.08% 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
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 89,291 | 309 | 0.35% |
| 2020 | 88,982 | 309 | 0.35% |
| 2019 | 88,673 | 309 | 0.35% |
| 2018 | 88,364 | 841 | 0.96% |
| 2017 | 87,523 | 1,074 | 1.24% |
| 2016 | 86,449 | 1,388 | 1.63% |
| 2015 | 85,061 | 840 | 1.00% |
| 2014 | 84,221 | 1,085 | 1.31% |
| 2013 | 83,136 | 1,000 | 1.22% |
| 2012 | 82,136 | 952 | 1.17% |
| 2011 | 81,184 | 1,220 | 1.53% |
| 2010 | 79,964 | 33,795 | 5.65% |
| 2000 | 46,169 | 27,471 | 9.46% |
| 1990 | 18,698 | 10,021 | 7.98% |
| 1980 | 8,677 | 1,659 | 2.14% |
| 1970 | 7,018 | 3,248 | 6.41% |
| 1960 | 3,770 | 3,170 | 9.62% |
| 1940 | 600 | 0.00% |