Saint Marys Auglaize County, Ohio

Saint Marys: City in Ohio, United States


Saint Marys is a city located in the county of Auglaize in the U.S. state of Ohio. Its population at the 2010 census was 8,332 and a population density of 688 people per km². After 10 years in 2020 city had an estimated population of 8,113 inhabitants.

The city was created 187 years ago in 1833.

Saint Marys Quick Facts

Population : 8,113 (2020)
Country : United States of America
State : Ohio (United States)
County : Auglaize County
Postal code : 45885
Area : 12.1 km2
Named for : St. Marys River
Altitude : 866 feet / 264 meters
Establishment : January 01, 1834 (187 years ago)
Time Zone : America/New_York
Local time : 03:42:16 (27th November 2021)
Density : 670 Pop. per km² as of 2020
Population growth : -2.7% (2010-2020)
Saint Marys locator map
Location of Saint Marys on Ohio map.
StMarysOhioSeal seal image
StMarysOhioSeal seal image


Saint Marys is located at 40°32'32"N 84°23'22"W (40.5422700, -84.3894000).

Saint Marys map


According to census records, the population of Saint Marys decreased by 2.7% in 10 years.

Year Population % Change Method
2010 8,332 - census
2011 8,261 -0.86% estimation process
2012 8,247 -0.17% estimation process
2013 8,239 -0.1% estimation process
2014 8,222 -0.21% estimation process
2015 8,220 -0.02% estimation process
2016 8,182 -0.46% estimation process
2017 8,137 -0.55% estimation process
2018 8,198 0.74% estimation process
2019 8,137 -0.75% estimation process
2020 8,113 -0.3% estimation process

Saint Marys zip code is 45885. County name: Auglaize, County fips: 39011

Fort Barbee, Fort Saint Marys, Girtys Town, Girtystown, Kettle Town, Saint Marys

Local Places in Saint Marys

People born in Saint Marys (11)

People born in Saint Marys, including racecar driver Chuck Weyant, politician Charles A. Mooney, film director William K. Howard, you can see a list of people who born in Saint Marys.

Schools in Saint Marys

College & universities near Saint Marys, OH

Code Name City ZIP
206613 Wright State University-Lake Campus Celina (OH) 45822-2952

Stations (3)

Amtrak & bus stations near Saint Marys, OH

Code Name Address Type
BYN Bryan Page and Lynn Street RAIL
WTI Waterloo Lincoln and Center Street RAIL
COI Connersville station 1012 Eastern Avenue RAIL

Post offices near Saint Marys

Post Office Name City ZIP
Saint Mary Post Office Saint Marys (OH) 45885

Other places with the same name (6)

Other cities in Auglaize County

Cities, Towns, Neighborhoods & Other Populated Places in Auglaize County , OH.

City Name Population Title
Wapakoneta 9,682 City in Ohio
New Bremen 2,949 Town
Minster 2,828 Town in Ohio, USA
Cridersville 1,780 City in Auglaize County, Ohio, United States of America
Moulton 1,614 Human settlement in Ohio, United States of America
New Knoxville 862 Village in Auglaize County, Ohio, United States
Waynesfield 815 Human settlement in Auglaize County, Ohio, United States of America
Buckland 221 Village in Ohio

Distance to Other Cities

Saint Marys distances to largest Ohio cities