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Missouri / St. Charles County
Now you can skip hours of internet research and jump straight to getting answers with our meaningful at-a-glance Demographic Starter Report. With the most current & most popular demographic data points, it's the perfect starting point for your research about St. Charles County.
All St. Charles County population data above are from the US Census Bureau.
With 373,495 people, St. Charles County is the 3rd most populated county in the state of Missouri out of 114 counties. But watch out, St. Charles County, because Greene County with 283,870 people and Clay County with 230,473 people are right behind you.
The largest St. Charles County racial/ethnic groups are White (88.6%) followed by Black (4.5%) and Hispanic (3.0%).
In 2012, the median household income of St. Charles County residents was $70,230. St. Charles County households made slightly more than Platte County households ($65,449) and Andrew County households ($57,406) . However, 7.2% of St. Charles County residents live in poverty.
The median age for St. Charles County residents is 37.7 years young.