Saint Mary, Illinois

Saint Mary: Township in Hancock County, Illinois

About

Saint Mary is a township located in the county of Hancock in the U.S. state of Illinois. Its population at the 2010 census was 640 and a population density of 17 people per km². After 10 years in 2020 city had an estimated population of 585 inhabitants.

The township was created 174 years ago in 1849.

Quick Facts about Saint Mary

Population : 585 (2020)
Country : United States of America
State : Illinois (United States)
County : Hancock County
Area : 36.93 km2
Altitude : 538 feet / 164 meters
Establishment : November 11, 1849 (174 years ago)
Time Zone : America/Chicago
Local time : 04:35:02 (9th October 2024)
Density : 16 Pop. per km² as of 2020
Population growth : -9.4% (2010-2020)

Geography

Saint Mary is located at 40°20'46"N 90°56'2"W (40.3461600, -90.9340200).

Saint Mary map

Demographics

According to census records, the population of Saint Mary decreased by 9.4% in 10 years.

Year Population % Change Method
2010 640 - census
2011 636 -0.63% estimation process
2012 631 -0.79% estimation process
2013 622 -1.45% estimation process
2014 615 -1.14% estimation process
2015 611 -0.65% estimation process
2016 611 0% estimation process
2017 603 -1.33% estimation process
2018 598 -0.84% estimation process
2019 594 -0.67% estimation process
2020 585 -1.54% estimation process

Saint Mary, Saint Mary's

Schools in Saint Mary

College & universities near Saint Mary, IL

Code Name City ZIP
149772 Western Illinois University Macomb (IL) 61455

Stations (7)

Amtrak & bus stations near Saint Mary, IL

Code Name Address Type
MAC Macomb 120 East Calhoun Street RAIL
FMD Fort Madison station 1601 20th Street RAIL
BRL Burlington 300 South Main Street RAIL
QCY Quincy North 30th St. and Wisman Lane RAIL
GBB Galesburg station 225 South Seminary Street RAIL

Post offices near Saint Mary

Post Office Name City ZIP
Plymouth Post Office Plymouth (IL) 62367

Other places with the same name (4)

Other cities in Hancock County

Cities, towns, neighborhoods & other populated places in Hancock County , IL. (more)

City Name Population Title
Carthage 2,419 City in and county seat of Hancock County, Illinois, United States
Warsaw 1,456 City in Illinois, United States
La Harpe 1,123 City in Hancock County, Illinois, United States
Nauvoo 1,044 City and historic district in Hancock County, Illinois, United States
Dallas City 859 Township in Hancock County, Illinois
Chili 597 Unincorporated community in Illinois
Augusta 534 Human settlement in Hancock County, Illinois, United States of America
Plymouth 459 Village in the United States
Bowen 450 Human settlement in Illinois, United States of America
Denver 390 Human settlement in Illinois, United States of America
Fountain Green 262 Township in Hancock County, Illinois
Durham 251 Unincorporated community in Illinois
Hamilton 189 City in Hancock County, Illinois, United States
Elvaston 152 Human settlement in Hancock County, Illinois, United States of America
Ferris 143 Village in Hancock County, Illinois, United States
Pontoosuc 132 Township in Hancock County, Illinois