St. Charles, MO Demographics

The total population of St. Charles is estimated to be 70,687 with 34,763 males (49.18%) and 35,924 females (50.82%). There are 1,161 more females than males in St. Charles.
The median household income in St. Charles was $81,626 in 2021, which marked an an increase of 910(1.13%) from $80,716 in 2020. This income is 109.41% 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, St. Charles sees its highest median household income among householders in the age group of 45 to 64 years old, at $111,614. Overall, the median household income for the city of St. Charles stands at $85,798.
In St. Charles, the median income for all workers aged 15 years and older, regardless of work hours, was $55,504 for males and $42,614 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $67,043 for males and $56,805 for females.
In St. Charles, the demographic landscape is diverse, spanning 4 distinct racial categories among households. Among these, Asian households have the highest median household income at $92,193, while Two or More Races households represent the opposite end with the lowest median household income of $66,697.
In 2022, the population of St. Charles was 71,184, a 0.19% increase year-by-year from 2021. Previously, in 2021, St. Charles's population was 71,048, an increase of 0.44% compared to a population of 70,738 in 2020.
The median age in St. Charles, MO is 37.7, as per 2021 ACS 5-Year Estimates. Of the total population, 14.77% were under the age of 15, 23.91% aged 15 to 29, 43.99% aged 30 to 64, 15.12% aged 65 to 84, and 2.21% were 85 years of age and older.
Racial distribution of St. Charles population: 83.93% are White, 6.58% are Black or African American, 0.18% are American Indian and Alaska Native, 3.31% are Asian, 0% are Native Hawaiian and other Pacific Islander, 1.71% are some other race and 4.29% are multiracial.