Where is Clayton, Missouri, USA?

Written and fact-checked by | Reviewed by WhereIG Editorial Team | Last updated: August 14, 2026, 18:45 ET

Where is Clayton Located? - Clayton is a city located in the St. Louis County of Missouri, United States. Clayton lies between 43.3653585 Degrees North latitudes and 72.1734388 Degrees West longitudes.

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Clayton Map, Missouri, USA

Where is Clayton?: The Google Map showing the location of Clayton in the U.S. state of Missouri.

Where is Clayton Located?

Clayton is a city located in the St. Louis County of Missouri, United States. Clayton lies between 43.3653585 Degrees North latitudes and 72.1734388 Degrees West longitudes. According to 2020 U.S.census, the population of Clayton city is 17355 people and the city has a total area of 2.51 sq mi. The city has numerous parks and recreational facilities.

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Clayton, Missouri Quick Facts

FeatureDetails
CityClayton
CountySt. Louis County
StateMissouri
State CapitalJefferson City
US RegionMidwest
Latitude38.6426° N
Longitude90.3237° W
Elevation551 ft (168 m)
Land Area2.51 sq mi
Water Area0.00 sq mi
Total Area2.51 sq mi
Population (2020 Census)17,355
Population Density6,920 per sq mi
ZIP Codes63105
Area Code314
Time Zone StandardCentral Standard Time (CST, UTC-6)
Time Zone DaylightCentral Daylight Time (CDT, UTC-5)
CurrencyUnited States Dollar (USD)
FIPS Code29-14572
Congressional DistrictMissouri's 1st Congressional District

Nearby Cities to Clayton, Missouri

  • Richmond Heights, Missouri - 2 mi South
  • University City, Missouri - 2 mi West
  • Brentwood, Missouri - 3 mi South
  • Ladue, Missouri - 3 mi West
  • Maplewood, Missouri - 4 mi South
  • St. Louis, Missouri - 9 mi East
  • Kirkwood, Missouri - 10 mi Southwest
  • Webster Groves, Missouri - 7 mi South
  • Creve Coeur, Missouri - 8 mi Northwest
  • Chesterfield, Missouri - 18 mi West

Clayton, Missouri Climate and Weather Overview

MonthAvg High (°F)Avg Low (°F)Avg Rainfall (in)
January41242.2
April67474.3
July89703.8
October69483.3
Annual674741.0
Climate AttributeDetails
Climate Classification (Köppen)Humid Subtropical (Cfa)
Annual RainfallAbout 41 in
Annual Sunshine DaysApproximately 202 days
Hurricane/Tornado RiskLow hurricane risk; moderate tornado risk
SnowfallAbout 16 in annually

Driving Distances from Clayton, Missouri

CityStateDistance (mi)Approx. Drive Time
St. LouisMissouri915 min
St. CharlesMissouri1825 min
ChesterfieldMissouri1825 min
KirkwoodMissouri1018 min
FlorissantMissouri1625 min
BellevilleIllinois2435 min
EdwardsvilleIllinois3040 min
AltonIllinois3140 min
ColumbiaMissouri1262 hr
SpringfieldMissouri2163 hr 25 min

Transportation and Connectivity in Clayton, Missouri

FeatureDetails
Airport NameSt. Louis Lambert International Airport
IATA CodeSTL
PortPort of St. Louis
Major HighwaysI-170, I-64 (US 40), US 61, Clayton Road, Hanley Road
Train/Amtrak ServiceNearby Amtrak service at St. Louis Gateway Station; MetroLink light rail serves Clayton
Local Bus/Transit ServiceMetro Transit MetroBus and MetroLink
  • Interstate 170 - North-south freeway connecting Clayton with I-70 and I-64.
  • Interstate 64 (US 40) - Major east-west highway linking downtown St. Louis and western suburbs.
  • US Route 61 - Regional route providing access across the St. Louis metropolitan area.
  • Clayton Road - Historic arterial connecting Clayton with Ladue, Frontenac, and St. Louis.
  • Hanley Road - Major north-south corridor serving Clayton's commercial and residential districts.

Key Landmarks and Places to Visit in Clayton, Missouri

Landmark NameType
Shaw ParkCity Park
Saint Louis Art MuseumMuseum
Missouri History MuseumMuseum
Forest ParkUrban Park
The MunyOutdoor Theater
Saint Louis ZooZoo
Center of ClaytonRecreation Center
World Chess Hall of FameMuseum
The GalleriaShopping Center
Gateway Arch National ParkNational Park

Colleges and Universities in Clayton, Missouri

Institution NameTypeLevelNotable For
Washington University in St. LouisPrivateUniversityResearch university
Fontbonne UniversityPrivateUniversityLiberal arts education
Saint Louis UniversityPrivateUniversityJesuit research university
St. Louis Community College - Forest ParkPublicCommunity CollegeCareer and transfer programs
University of Missouri-St. LouisPublicUniversityPublic research university

Waterbodies in Clayton, Missouri

River des Peres, Deer Creek, Mississippi River, Missouri River, Jefferson Lake, Post-Dispatch Lake, Creve Coeur Lake, Twin Lakes, Forest Park Lakes, Grand Basin

Golf Courses in Clayton, Missouri

Normandie Golf Club, Forest Park Golf Course, Ruth Park Golf Course, Glen Echo Country Club, Bellerive Country Club, Algonquin Golf Club, Old Warson Country Club, Norwood Hills Country Club

Clayton, Missouri - Key Historical Facts

  • Clayton was founded in 1877 and was named after Ralph Clayton, a local farmer who donated land for the community.
  • The city became the seat of St. Louis County in 1877, replacing St. Louis after the city and county separated.
  • Clayton grew rapidly during the early 20th century as streetcar lines connected it with downtown St. Louis.
  • The city's downtown developed into one of the leading business and financial districts in the St. Louis metropolitan area.
  • Many government offices, law firms, and corporate headquarters are located in Clayton, making it an important administrative center.
  • Today, Clayton is known for its walkable downtown, cultural attractions, and strong blend of business, government, and residential neighborhoods.

References

Other Missouri Maps & Info

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