St. Louis County
- Population
- 995,569
- Area
- 0.51 sq mi (1.32 km²), 0.02 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
Today
86°F
Sunny1% precip
Tonight
65°F
Mostly Clear1% precip
Sunday
84°F
Sunny
Sunday Night
64°F
Partly Cloudy5% 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 OaksUniversity CityUplands ParkValley ParkVelda CityVelda Village HillsVinita ParkWarson WoodsWebster GrovesWellstonWestwoodWilbur ParkWildwoodWinchesterWoodson Terrace