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St. Louis County, Missouri

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St. Louis County, Missouri
CountySt. Louis County
StateMissouri
Founded1812
SeatClayton
Largest cityFlorissant
Area total sq mi523
Area land sq mi508
Area water sq mi15
Population as of2020
Population total1,004,125
Population density sq mi1976
Time zoneCentral
Named forLouis IX of France
District1st
Websitewww.stlouiscountymo.gov

St. Louis County, Missouri is an independent county located in the eastern part of the state, bordering but separate from the City of St. Louis. It is the most populous county in Missouri, serving as a major economic and cultural hub for the Greater St. Louis metropolitan area. The county seat is Clayton, a prominent center for business and law, while its largest municipality by population is Florissant. Governed by a County Executive and a County Council, it is home to numerous Fortune 500 companies, prestigious universities, and expansive park systems.

History

The area was originally inhabited by indigenous peoples of the Mississippian culture and later the Illinois Confederation and Osage Nation. European exploration began with French fur traders and missionaries, and the region became part of Spanish Louisiana before the Louisiana Purchase in 1803. St. Louis County was officially organized in 1812, when the Missouri Territory was established, and was named for Louis IX of France. Its early economy was driven by lead mining, agriculture, and trade along the Mississippi River and Missouri River. A pivotal event was the 1876 Great Divorce, where the City of St. Louis seceded to become an independent city, permanently separating the two jurisdictions. The 20th century saw massive suburban growth following World War II, influenced by the construction of the Interstate Highway System and corporations like McDonnell Douglas and Anheuser-Busch.

Geography

According to the United States Census Bureau, the county has a total area of 523 square miles, of which 508 square miles is land and 15 square miles is water. It is bordered by the City of St. Louis to the east, the Mississippi River forming part of its eastern boundary, and Franklin County to the south. Major waterways include the Meramec River and the Missouri River, which converge at its southern tip. The topography features rolling hills, river bluffs, and karst landscapes with numerous caves, part of the Ozark Plateau. Significant parks include Castlewood State Park, Babler State Park, and the University of Missouri–St. Louis campus, which contains a portion of the Tyson Research Center.

Demographics

As of the 2020 United States Census, the population was 1,004,125, making it the most populous county in Missouri. The racial makeup was approximately 65.5% White, 24.5% Black or African American, 3.8% Asian, and 4.2% identifying as Hispanic or Latino. The county has a high educational attainment, with over 40% of adults holding a bachelor's degree or higher. Major population centers include Florissant, University City, Ballwin, and Chesterfield. The St. Louis Jewish Community is one of the largest in the Midwestern United States, with significant communities in Ladue and Creve Coeur.

Government and politics

St. Louis County operates under a charter county form of government, led by a County Executive and a seven-member St. Louis County Council. The current County Executive is Sam Page, a member of the Democratic Party. The county is a Democratic stronghold in statewide and federal elections, consistently supporting candidates like Claire McCaskill and Cori Bush. Key law enforcement is provided by the St. Louis County Police Department, and the county contains numerous municipal courts. It falls entirely within Missouri's 1st congressional district, represented in the United States House of Representatives by Cori Bush. The county government administers services through departments like the St. Louis County Department of Public Health.

Economy

The county is the economic engine of the St. Louis metropolitan area, hosting the headquarters of several Fortune 500 and 1000 companies. Major corporate residents include Centene Corporation, Reinsurance Group of America, Edward Jones Investments, and Emerson Electric. The Washington University in St. Louis Medical Center in Clayton and the BJC HealthCare system are among the largest employers. Key commercial districts are the Clayton central business district, the Galleria in Richmond Heights, and West County Center in Des Peres. The presence of Lambert International Airport and major interstates like Interstate 64, Interstate 44, and Interstate 270 facilitates significant logistics and distribution activity.

Education

Primary and secondary education is provided by over 20 public school districts, including highly ranked districts like Clayton School District, Ladue School District, and Parkway School District. The county is also home to numerous private and parochial schools, such as John Burroughs School, Mary Institute and St. Louis Country Day School, and Villa Duchesne. Higher education institutions are prominent, featuring Washington University in St. Louis, the University of Missouri–St. Louis, Saint Louis University's campus in Clayton, and Webster University. The St. Louis County Library system, with its headquarters in Frontenac, operates numerous branches, and the St. Louis Science Center has a major presence.

Culture and recreation

The county boasts a vibrant cultural scene, anchored by institutions like the St. Louis Symphony Orchestra at Powell Hall, the St. Louis Art Museum in Forest Park, and the Missouri History Museum. The St. Louis Zoo, one of the nation's leading zoological parks, is also located in Forest Park. Recreational amenities are extensive, with the St. Louis County Parks system managing over 12,000 acres of land, including Creve Coeur Lake Memorial Park and Queeny Park. The county hosts major annual events like the St. Louis International Film Festival and the Greek Festival in Clayton. Sports venues include the Centene Community Ice Center and numerous golf courses, with professional teams like the St. Louis Cardinals and St. Louis Blues drawing significant county support.