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  3. /St. Louis County
  4. /St. John
CSASt. Louis-St. Charles-FarmingtonMSASt. Louis#71/266 Population
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St. John is a city in St. Louis County, Missouri, with a population of approximately 6,643.

Population6,527
Median Home Value$106,300
Median Income$53,755
Area1.42 sq mi

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Recent News

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NewsJAN 14, 2026

Man convicted for shooting several, killing one woman at St. John Applebee's

Man convicted for shooting several, killing one woman at St. John Applebee's Spectrum News

Spectrum NewsRead article ↗
NewsJAN 12, 2026

Man stabs cousin at St. John apartment complex: Police

Man stabs cousin at St. John apartment complex: Police FOX 2

FOX 2Read article ↗
NewsDEC 15, 2025

Seventh Circuit judges volunteer at St. John's Breadline. See photos

Seventh Circuit judges volunteer at St. John's Breadline. See photos The State Journal-Register

The State Journal-RegisterRead article ↗

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