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The total population of O'Fallon is estimated to be 91,825 with 44,962 males (48.96%) and 46,863 females (51.04%). There are 1,901 more females than males in O'Fallon.
The median household income in O'Fallon was $103,937 in 2021, which marked an a decrease of 876(0.84%) from $104,813 in 2020. This income is 139.31% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, O'Fallon sees its highest median household income among householders in the age group of 45 to 64 years old, at $130,089. Overall, the median household income for the city of O'Fallon stands at $105,240.
In O'Fallon, the median income for all workers aged 15 years and older, regardless of work hours, was $60,161 for males and $40,786 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $78,238 for males and $65,480 for females.
In O'Fallon, the demographic landscape is diverse, spanning 4 distinct racial categories among households. Among these, Black or African American households have the highest median household income at $133,083, while Some Other Race households represent the opposite end with the lowest median household income of $66,806.
In 2022, the population of O'Fallon was 93,663, a 0.07% decrease year-by-year from 2021. Previously, in 2021, O'Fallon's population was 93,729, an increase of 2.29% compared to a population of 91,631 in 2020.
The median age in O'Fallon, MO is 37.2, as per 2021 ACS 5-Year Estimates. Of the total population, 21.36% were under the age of 15, 18.49% aged 15 to 29, 48.14% aged 30 to 64, 10.76% aged 65 to 84, and 1.25% were 85 years of age and older.
Racial distribution of O'Fallon population: 86.35% are White, 3.96% are Black or African American, 0.04% are American Indian and Alaska Native, 4.33% are Asian, 0.03% are Native Hawaiian and other Pacific Islander, 1.01% are some other race and 4.29% are multiracial.