St. Peters, Missouri

St. Peters, Missouri
City Centre Park near City Hall
Location of St. Peters in Missouri
Coordinates: 38°46′44″N 90°36′11″W / 38.77889°N 90.60306°W / 38.77889; -90.60306
CountryUnited States
StateMissouri
CountySt. Charles
Incorporated1910
Government
 • MayorLen Pagano
Area
 • Total
22.47 sq mi (58.19 km2)
 • Land22.46 sq mi (58.18 km2)
 • Water0.0039 sq mi (0.01 km2)
Population
 (2020)
 • Total
57,732
 • Estimate 
(2024)
61,398
 • Density2,570/sq mi (992.3/km2)
Time zoneUTC−6 (CST)
 • Summer (DST)UTC−5 (CDT)
ZIP code
63376, 63304, 63303, 63366
Area code636
FIPS code29-65126
Websitestpetersmo.net

St. Peters is a city in St. Charles County, Missouri, United States. The population was 57,732 at the 2020 census, making it the tenth-largest city in Missouri. It is a northwestern suburb of St. Louis.

Interstate 70 passes through the city, providing a major transportation link. The city hosts the county's largest shopping center, Mid Rivers Mall.