St. Charles County, Missouri

The St. Charles County is a county located in the U.S. state of Missouri. In 2010, the County had 360 485 inhabitants and a population density of 248.4 inhabitants per square kilometer. The administrative headquarters ( County Seat), Saint Charles.

The St. Charles County is part of the metropolitan area of ​​Greater St. Louis.


The County is located in Eastern Missouri at the mouth of the Missouri River in the Mississippi River, which forms the border with Illinois. It has an area of ​​1534 square kilometers, of which 83 square kilometers are water surface. At the St. Charles County borders the following Nachbarcountys:


The St. Charles County was established in 1812. It was named, as is the district capital of Saint Charles, after the former Spanish District San Carlos, then named after Carlo Borromeo (1538-1584), a saint of the Roman Catholic Church.

The city of St. Charles was the first capital of the State of Missouri and still houses the First State Capitol.

Demographic data

According to the census in 2010 lived in St. Charles County 360 485 people in 127 228 households. The population density was 248.4 inhabitants per square kilometer. In the 127 228 households lived statistically 2.65 per person.

The racial the population was composed of 90.7 percent white, 4.1 percent African American, 0.2 percent Native American, 2.2 percent Asian and other ethnic groups; 1.8 percent were descended from two or more races. Regardless of ethnicity were 2.8 percent of the population are Hispanic or Latino of any race.

25.8 percent of the population were under 18 years old, 63.0 percent were between 18 and 64, and 11.2 percent were 65 years or older. 50.9 percent of the population was female.

The median income for a household was $ 68,669. The per capita income was $ 30,517. 5.1 percent of the population lived below the poverty line.

Places in St. Charles County


  • Cottleville
  • Dardenne Prairie
  • Flint Hill
  • Foristell1
  • Lake St. Louis
  • New Melle
  • O'Fallon
  • Portage Des Sioux
  • Saint Charles
  • Saint Paul
  • Saint Peters
  • Weldon Spring
  • Wentzville
  • West Alton


  • Augusta
  • Weldon Spring Heights


  • Joseph Ville

Unincorporated communities

  • All Saints Village
  • Black Walnut
  • Bladder
  • Boschertown
  • Cappeln
  • Dardenne
  • Defiance
  • Elm Point
  • Enon
  • Femme Osage
  • Company
  • Flint Hill
  • Gardnerville
  • Gilmore
  • Hamburg
  • Harvester
  • Howell
  • Jacobs
  • Kampsville
  • Klondike
  • Making
  • Marais Croche
  • Matson
  • Nona
  • Orchard Farm
  • Paulding Ville
  • Peruque
  • Seeburger
  • Schluersburg
  • South Shore
  • St. Clement
  • Weldon
  • Whitecorn
  • Wilkie

1 - partly in Warren County


The St. Charles County is divided into 14 townships: