Where is St. John, Missouri

Written and Fact-checked by | Updated On: August 5, 2026

St. John is a small city in eastern Missouri and part of St. Louis County. Located about 12 miles northwest of downtown St. Louis, it forms part of the suburban communities surrounding the city. St. John is known for its residential neighborhoods, convenient access to Lambert International Airport, nearby parks, and its location within the greater St. Louis metropolitan area.

Location Map of St. John, St. Louis County, Missouri

Where is St. John Located in St. Louis County, Missouri

About Map: The map shows the location of St. John in St. Louis County, in the U.S. state of Missouri.

St. John Map, Missouri

About St. John Map: The Google Map highlights the location of St. John in St. Louis County, Missouri. Use the zoom, satellite, and street-view options to explore the city's neighborhoods, roads, and nearby places.

Where is St. John Located?

St. John is a city located in St. Louis County, Missouri, the United States. It lies in eastern Missouri within the St. Louis metropolitan area, about 12 miles northwest of downtown St. Louis and roughly 10 miles southwest of Florissant. Overland is about 5 miles west, while St. Ann is approximately 3 miles southeast of St. John. The city is located at 38.7137° North latitude and 90.3429° West longitude. The 2020 Census recorded 6,902 residents. St. John covers about 1.46 square miles, or approximately 3.78 square kilometers. Lambert-St. Louis International Airport is immediately nearby and is a major transportation feature for the area. St. John is primarily residential, with local businesses, schools, churches, parks, and municipal facilities serving the community. Its location provides easy access to major highways and employment centers throughout St. Louis County and the city of St. Louis. A unique feature of St. John is its compact suburban setting close to one of the region's major airports.

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St. John City Facts

FactDetails
CitySt. John
StateMissouri
CountySt. Louis County
CountryUnited States
RegionEastern Missouri, St. Louis Metropolitan Area
Incorporated1948
Founded1940s
Total Area1.46 sq mi (3.78 sq km)
Land Area1.46 sq mi (3.78 sq km)
Water Area0.00 sq mi (0.00 sq km)
ElevationAbout 568 ft (173 m)
Population (2023 estimate)About 6,900
Population (2020 Census)6,902
Population DensityAbout 4,727 people per sq mi
Time ZoneCentral Time (CST/CDT)
ZIP Codes63114, 63134
Area Code314, 557
Major HighwaysInterstate 70, Interstate 170, U.S. Route 67
Public TransitMetroBus and MetroLink services in the St. Louis region
Major AttractionsSt. Louis Lambert International Airport, St. Louis Zoo, Forest Park, The Delmar Loop, St. Louis Science Center
Official Websitehttps://www.stjohnmo.gov/

Distance from St. John, MO to Nearby Cities

  • St. Ann, MO – 3 miles (5 km)
  • Overland, MO – 5 miles (8 km)
  • Bridgeton, MO – 5 miles (8 km)
  • Berkeley, MO – 5 miles (8 km)
  • Breckenridge Hills, MO – 5 miles (8 km)
  • Woodson Terrace, MO – 5 miles (8 km)
  • St. Louis, MO – 12 miles (19 km)
  • Florissant, MO – 10 miles (16 km)
  • University City, MO – 10 miles (16 km)
  • Maryland Heights, MO – 10 miles (16 km)
  • Creve Coeur, MO – 12 miles (19 km)
  • Clayton, MO – 12 miles (19 km)
  • Hazelwood, MO – 8 miles (13 km)
  • Chesterfield, MO – 20 miles (32 km)
  • Kirkwood, MO – 20 miles (32 km)
  • Webster Groves, MO – 18 miles (29 km)
  • O'Fallon, MO – 25 miles (40 km)
  • St. Charles, MO – 25 miles (40 km)

Top Attractions in St. John

  • St. Louis Lambert International Airport – The region's primary commercial airport and an important transportation hub located immediately south of St. John.
  • Forest Park – A large urban park in nearby St. Louis containing the St. Louis Zoo, museums, trails, lakes, and recreational facilities.
  • St. Louis Zoo – A major free-admission zoo in Forest Park featuring animals, educational exhibits, and conservation programs.
  • St. Louis Science Center – A science museum and educational complex with interactive exhibits, a planetarium, and hands-on programs.
  • The Delmar Loop – A popular entertainment and dining district in University City and St. Louis with shops, restaurants, music venues, and cultural attractions.
  • Missouri History Museum – A museum in Forest Park documenting the history of St. Louis and Missouri.
  • Saint Louis Art Museum – A major art museum in Forest Park with collections spanning many periods and cultures.
  • Gateway Arch National Park – A major St. Louis landmark centered on the Gateway Arch and the city's Mississippi River history.
  • O'Fallon Park – A large St. Louis city park with walking paths, recreation areas, sports facilities, and a community pool.

Airports Near St. John, Missouri

  • St. Louis Lambert International Airport (STL) – 2 miles
  • Spirit of St. Louis Airport (SUS) – 20 miles
  • St. Louis Downtown Airport (CPS) – 20 miles
  • MidAmerica St. Louis Airport (BLV) – 35 miles

Sources:

Population and area data sourced from the United States Census Bureau (2020 Census). General city information referenced from the official St. John city website and local government records.

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