Information About Brentwood, Missouri

Brentwood, Missouri is an affluent inner-ring suburb of St. Louis, situated in St. Clair County, Missouri. The population has been estimated at around 8,555 at the most recent census. It has been called the “hometown of the rich,” since it has the highest per capita income rate in St. Clair County. The median household income is also among the highest in Missouri. See further information here.


The city of Brentwood was established in 1867 as the headquarters of the Union Pacific Railroad. It is located on the northwest corner of an eastern bay of river Missouri in southeast Missouri. The city’s western boundary is the Mississippi River and the eastern boundary is the Missouri Pacific Railroad’s railroad line. The city is served by six main airports; Stuttgart Municipal Airport in Brentwood, Missouri; Lambert-St. Louis International Airport in Stuttgart, Missouri; Midway International Airport in Joliet, Illinois; Mitchell International Airport in Saint Charles, Illinois; , and Lambert Field, which are run by the St Louis Regional Airport Authority (SLRA). The state capitol is located in Jefferson City. The city is bordered by Pine Lawn and Oakdale. Learn more about Things To Know About Chesterfield, Missouri.



With its high average income, Brentwood’s population is diverse, with ethnic groups represented from all over the United States, and Canada. The largest groups are of Irish descent, Italian Americans, blacks, and whites. The city’s racial make-up is close to that of St. Clair County as a whole, but with fewer blacks. Some of the neighborhoods that can be found in Brentwood include Northwood, Glenstone, Glenview, and Gage Park. There is a school that is located in the city as well, which is the Rockhurst Catholic School. Other than the aforementioned ethnic groups, the residents of Brentwood, Missouri have been described as both liberal and conservative. The same is true of the schools in the town.

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