Waterloo, Monroe County, Illinois

Waterloo: City in Illinois

About

Waterloo is a city located in the county of Monroe in the U.S. state of Illinois. Its population at the 2010 census was 9,811 and a population density of 458 people per km². After 10 years in 2020 city had an estimated population of 10,536 inhabitants.

The city was created 204 years ago in 1817.

Quick Facts about Waterloo

Population : 10,536 (2020)
Country : United States of America
State : Illinois (United States)
County : Monroe County
Postal code : 62298
Phone Area Codes : 618
Area : 21.42 km2
Altitude : 719 feet / 219 meters
Capital city : Waterloo is capital of Monroe County
Establishment : January 01, 1818 (204 years ago)
Time Zone : America/Chicago
Local time : 07:44:52 (6th December 2022)
Density : 492 Pop. per km² as of 2020
Population growth : 6.88% (2010-2020)
Waterloo locator map
Location of Waterloo on Illinois map.
Monroe County Courthouse  Waterloo image
Monroe County Courthouse Waterloo
Monroe County Courthouse  Waterloo image

Geography

Waterloo is located at 38°20'9"N 90°8'59"W (38.3358900, -90.1498300).

Waterloo map

Demographics

The population of Waterloo increased by 6.88% in 10 years.

Year Population % Change Method
2010 9,811 - census
2011 10,070 2.57% estimation process
2012 10,083 0.13% estimation process
2013 10,124 0.4% estimation process
2014 10,117 -0.07% estimation process
2015 10,183 0.65% estimation process
2016 10,249 0.64% estimation process
2017 10,381 1.27% estimation process
2018 10,470 0.85% estimation process
2019 10,578 1.02% estimation process
2020 10,536 -0.4% estimation process

Waterloo zip code is 62298. County name: Monroe, County fips: 17133

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People born in Waterloo (2)

People born in Waterloo, including naturalist John Kern Strecker, US association football player Brian Bement, .

List

Schools in Waterloo

College & universities near Waterloo, IL

Code Name City ZIP
483911 Creative Touch Cosmetology School Waterloo (IL) 62298-1609

Stations (10)

Amtrak & bus stations near Waterloo, IL

Code Name Address Type
STL Gateway Transportation Center 551 South 16th St. RAIL
KWD Kirkwood 110 West Argonne Dr. RAIL
ALN Alton 3400 College Ave. RAIL
WAH Washington 301 West Front St. RAIL
DQN Du Quoin 20 North Chestnut St. RAIL

Post offices near Waterloo

Post Office Name City ZIP
Waterl Post Office Waterloo (IL) 62298

Other places with the same name (12)

Other cities in Monroe County

Cities, Towns, Neighborhoods & Other Populated Places in Monroe County , IL.

City Name Population Title
Columbia 10,627 City in Illinois, United States
Valmeyer 1,238 Human settlement in Illinois, United States of America
Hecker 474 Village in United States of America
Maeystown 162 Human settlement in United States of America
Fults 28 Village in United States of America

Distance to Other Cities

Waterloo distances to largest Illinois cities