St. Charles County, Mo.

St. Charles County, with a population of 337,572, has been one of the fastest-growing counties in the country for decades, with 55 percent growth in the 1980s, 33 percent in the 1990s, and another 13 percent between 2000 and 2004. The county features a cross-section of industry, as well as extensive retail and some agriculture. With the Missouri River on the south and the Mississippi on the north and east, the county is bisected east to west by Interstate 70. St. Charles County has two small airports and two ferries that cross the Mississippi River. The City of St. Charles is the county seat.
 

Demographics Population Population 356,206 Households 131,884 Average Age 36 Educational Attainment High School Graduates 48.6% Associate Degree 7.9% Bachelor's Degree 23.8% Graduate Degree 11.7% Income Median Household Income $71,617 Per Capita Income $30,007 Employment by Industry Agriculture, Mining 0.5% Construction 7.7% Trade, Transp., Utilities 23.4% Manufacturing 16.2% Public Administration 3.2% Financial services 5.8% Information 3.7% Education and Health 16.7% Leisure and Hospitality 7.5% Professional Bus. Services 7.5% Other services 7.9% Labor Characteristics Labor Force 200,393 Population, 16+ 275,354 Unemployment Rate: 4.6%

Largest Employers Company Industry Employment MasterCard International Inc. Financial Services 2700 Ameristar Casinos Inc. Entertainment 2200 Verizon Telecom 2070 Citimortgage Financial Services 1900 Francis Howell School District Education 1416 MEMC Electronic Materials Inc. Manufacturing 1200 Fort Zumwalt School District Education 1188 Wentzville R-IV School District Education 827 St. Charles City R-VI School District Education 800 LMI Aerospace Inc. Manufacturing 800 St. Charles Community College Education 750 Commuting Patterns (www.census.gov) County of Residence Workplace County Number of Employees % of Commuters St. Charles County, MO St. Charles County, MO 70,058 71% St. Louis County, MO St. Charles County, MO 12,859 13.03% Lincoln County, MO St. Charles County, MO 5,529 5.60% Warren County, MO St. Charles County, MO 2,967 3.01% St. Louis City, MO St. Charles County, MO 1,439 1.46% Jefferson County, MO St. Charles County, MO 1,291 1.31% Madison County, IL St. Charles County, MO 1,051 1.07% Franklin County, MO St. Charles County, MO 766 .78% St. Clair County, IL St. Charles County, MO 640 .65% Montgomery County, MO St. Charles County, MO 362 .37%