St. Marys, Ohio

St. Marys, Ohio
Fountain Hotel, Downtown St. Marys
Nickname: 
Ridertown
Motto: 
Where living is a pleasure
Location of St. Marys in Auglaize County
St. Marys
St. Marys
Coordinates: 40°32′56″N 84°22′24″W / 40.54889°N 84.37333°W / 40.54889; -84.37333
Country United States
State Ohio
CountyAuglaize
TownshipsSt. Marys, Noble
Founded1823
Incorporated1834 (village)
1904 (city)
Government
 • MayorJoseph Hurlburt (R)
 • Director of Public Service and SafetyGregory J. Foxhoven
Area
 • Total
4.70 sq mi (12.17 km2)
 • Land4.67 sq mi (12.09 km2)
 • Water0.031 sq mi (0.08 km2)
Elevation
869 ft (265 m)
Population
 (2020)
 • Total
8,397
 • Density1,798.9/sq mi (694.56/km2)
Time zoneUTC-4 (EST)
 • Summer (DST)UTC-4 (EDT)
ZIP code
45885
Area code419
FIPS code39-69680
GNIS feature ID2396505
Websitewww.cityofstmarys.net

St. Marys is a city in Auglaize County, Ohio, United States. Located in western Ohio, it is 11 miles (18 km) west of Wapakoneta and 20 miles (32 km) east of the Ohio–Indiana border. Founded in 1823, the city is located on a portage between the St. Marys and Auglaize river systems, which was a significant factor in its development before the era of canals. The population was 8,397 at the 2020 census. It is included in the Wapakoneta micropolitan area.