Clayton, Missouri

Clayton, Missouri, is the county seat for St. Louis County, Missouri.

Clayton is the county seat for St. Louis County, Missouri, and is part of the St. Louis Metropolitan region. The population for Clayton, based on the 2010 census, is approximately 15,939.  The city was founded in 1877 and was named after its founder, Ralph Clayton.  Clayton donated the land to the county for the courthouse.

The metropolitan region recognizes Clayton as the premiere community offering a high standard for businesses while offering a high quality of life with a busy and progressive downtown area accompanied by safe and quiet neighborhoods making it perfect for families supported by a nationally recognized and respected school district. In addition, some of the most prestigious properties, both commercial and resident, reside in the Clayton community.

Clayton is a prestigious suburban community with chic office space, homes, galleries, and retail shopping.  According to the city, Clayton maintains one of the highest commercial occupancy rates in the region.

Clayton is fortunate to be home to Fontbonne University, Concordia Seminary, and the Lutheran Church-Missouri Synod. In addition, Washington University – St. Louis has facilities located inside Clayton city limits.

City of Clayton – City Hall
10 N. Bemiston
Clayton, Missouri 63105
P: (314) 727-8100
F: (314) 863-0295


  1. Clayton, Missouri –
  2. City of Clayton, Missouri Website
  3. St. Louis County, Missouri
  4. St. Louis City
  5. Missouri Resources
  6. Sitemap
  7. Home