In 2020, St. Charles County, MO had a population of 398k people with a median age of 39 and a median household income of $87,644. Between 2019 and 2020 the population of St. Charles County, MO grew from 394,290 to 398,472, a 1.06% increase and its median household income grew from $84,978 to $87,644, a 3.14% increase.
The 5 largest ethnic groups in St. Charles County, MO are White (Non-Hispanic) (86.6%), Black or African American (Non-Hispanic) (4.49%), Two+ (Non-Hispanic) (2.67%), Asian (Non-Hispanic) (2.57%), and White (Hispanic) (2.2%).
None of the households in St. Charles County, MO reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
98.2% of the residents in St. Charles County, MO are U.S. citizens.
The largest universities in St. Charles County, MO are Lindenwood University (2,889 degrees awarded in 2020), St Charles Community College (924 degrees), and The Salon Professional Academy-St Charles (83 degrees).
In 2020, the median property value in St. Charles County, MO was $230,100, and the homeownership rate was 81.6%. Most people in St. Charles County, MO drove alone to work, and the average commute time was 25.6 minutes. The average car ownership in St. Charles County, MO was 2 cars per household.