St. Louis County
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- Population
- 995,569
- Area
- 507.99 sq mi (1,315.7 km²), 15.37 sq mi water
- Median age
- 40.3
- Households
- 413,849
- Persons per household
- 2.4
- Median household income
- $82,936
- Median house value
- $276,800
Demographics: 2020–2024 ACS
This Afternoon
83°F
Cloudy13% precip
Tonight
69°F
Slight Chance Rain Showers then Partly Cloudy16% precip
Saturday
91°F
Mostly Sunny8% precip
Saturday Night
70°F
Partly Cloudy11% precip
Cities & Towns in St. Louis County
AfftonBallwinBel-NorBel-RidgeBella VillaBellefontaine NeighborsBellerive AcresBerkeleyBeverly HillsBlack JackBreckenridge HillsBrentwoodBridgetonCalverton ParkCastle PointChampCharlackChesterfieldClarkson ValleyClaytonConcordCool ValleyCountry Club HillsCountry Life AcresCrestwoodCreve CoeurCrystal Lake ParkDellwoodDes PeresEdmundsonEllisvilleEurekaFentonFergusonFlordell HillsFlorissantFrontenacGlasgow VillageGlen Echo ParkGlendaleGrantwood VillageGreen ParkGreendaleHanley HillsHazelwoodHillsdaleHuntleighJenningsKinlochKirkwoodLadueLakeshireLemayManchesterMaplewoodMarlboroughMaryland HeightsMehlvilleMoline AcresNormandyNorthwoodsNorwood CourtOaklandOakvilleOld JamestownOlivetteOverlandPacificPagedalePasadena HillsPasadena ParkPine LawnRichmond HeightsRiverviewRock HillSappingtonShrewsburySpanish LakeSt. AnnSt. GeorgeSt. JohnSunset HillsSycamore HillsTown and CountryTwin OaksUnincorporated St. Louis CountyUniversity CityUplands ParkValley ParkVelda CityVelda Village HillsVinita ParkWarson WoodsWebster GrovesWellstonWestwoodWilbur ParkWildwoodWinchesterWoodson Terrace