Missouri's 3rd congressional district
Missouri's third congressional district is in the eastern and central portion of the state. It stretches from the southern part of Columbia and the state capital of Jefferson City in the west to St. Charles County and western Jefferson County in the east. The district took its current form in 2023, when Cooper and parts of Boone counties were added to the district, while Franklin and most of Warren counties were instead drawn into the 2nd district. Its current representative is Republican Blaine Luetkemeyer.
Image: John Bullock Clark, Senior
Image: John Guier Scott
Image: Hon. Thomas E. Noell, Mo, Capt, 19th U.S. Infantry NARA 527638
Image: William Henry Stone
St. Charles County, Missouri
St. Charles County is in the central eastern part of the U.S. state of Missouri. As of the 2020 census, the population was 405,262, making it Missouri's third-most populous county. Its county seat is St. Charles. The county was organized October 1, 1812, and named for Saint Charles Borromeo, an Italian cardinal.
St. Charles County Courthouse in St. Charles
St. Charles County is the only known habitat of the threatened decurrent false aster in Missouri.