Saint Louis County

proper noun

One of the 114 counties in Missouri, United States. County seat: Clayton.

Meanings

Saint Louis County1

proper noun

alternative St Louis County · alternative St. Louis County · alternative Saint Louis Co. · alternative St Louis Co. · alternative St. Louis Co.

  1. One of the 114 counties in Missouri, United States. County seat: Clayton.

Saint Louis County2

proper noun

alternative St Louis County · alternative St. Louis County · alternative Saint Louis Co. · alternative St Louis Co. · alternative St. Louis Co.

  1. One of the 87 counties in Minnesota, United States. County seat: Duluth.

    Synonyms: Doty County, Newton County

Synonyms & antonyms

proper nounOne of the 87 counties in Minnesota, United States. County seat: Duluth.

proper nounSynonym of Lake County, Minnesota, USA, in its former dimensions.

Similar
Lake CountyMinnesotaUSAin its former dimensions

Origin

Saint Louis County · proper noun

Named for Saint Louis, Missouri, despite separating from the area of the city itself in 1877.

Full word history & related roots →

Saint Louis County · proper noun

Named for the Saint Louis River in northeastern Minnesota, whose mouth on Lake Superior is near Duluth.

Full word history & related roots →
Cite this entry
APA

Saint Louis County. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Saint%20Louis%20County

MLA

“Saint Louis County.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Saint%20Louis%20County. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “Saint Louis County,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Saint%20Louis%20County.

Source: Saint Louis County on Wiktionary, CC BY-SA 4.0.