Ontario, Illinois

Ontario: Unincorporated community in Illinois

About

Ontario is a city located in the county of Knox in the U.S. state of Illinois. Its population at the 2010 census was 943. After 10 years in 2020 city had an estimated population of 871 inhabitants.

Quick Facts about Ontario

Population : 871 (2020)
Country : United States of America
State : Illinois (United States)
County : Knox County
Altitude : 2,648 feet / 807 meters
Time Zone : Central Time Zone
Local time : 09:01:55 (9th October 2024)
Population growth : -8.27% (2010-2020)

Geography

Ontario is located at 41°4'43"N 90°18'27"W (41.0786500, -90.3076300).

Ontario map

Demographics

According to census records, the population of Ontario decreased by 8.27% in 10 years.

Year Population % Change Method
2010 943 - census
2011 932 -1.18% estimation process
2012 926 -0.65% estimation process
2013 925 -0.11% estimation process
2014 920 -0.54% estimation process
2015 912 -0.88% estimation process
2016 905 -0.77% estimation process
2017 899 -0.67% estimation process
2018 889 -1.12% estimation process
2019 882 -0.79% estimation process
2020 871 -1.26% estimation process

Schools in Ontario

College & universities near Ontario, IL

Code Name City ZIP
143613 Carl Sandburg College Galesburg (IL) 61401

Stations (12)

Amtrak & bus stations near Ontario, IL

Code Name Address Type
GBB Galesburg station 225 South Seminary Street RAIL
KEE Kewanee Loomis and North Tremont Sts. RAIL
MLI Moline, Illinois 1200 River Drive BUS
RKI Rock Island, IL 3500 5th Avenue BUS
DVP Davenport, Iowa 304 West River Drive BUS

Post offices near Ontario

Post Office Name City ZIP
Wataga Post Office Wataga (IL) 61488

Other places with the same name (6)

  • Ontario , California The second most populous city in San Bernardino County, California. It is located east of Los Angeles. Ontario is known for its many parks and green spaces, its many historical sites with a population of 183,393 people.
  • Ontario , Oregon city in Oregon, USA with a population of 11,140 people.
  • Ontario , New York human settlement in United States of America with a population of 10,173 people.
  • Ontario , Ohio city in Ohio, USA with a population of 6,102 people.
  • Ontario , Wisconsin village in Vernon County, Wisconsin, United States with a population of 561 people.

Other cities in Knox County

Cities, towns, neighborhoods & other populated places in Knox County , IL.

City Name Population Title
Galesburg 29,803 County seat of Knox County, Illinois, United States
Truro 18,532 Human settlement in United States of America
Abingdon 3,008 City in Knox County, Illinois, United States of America
Knox 2,692 County seat of Knox County, Tennessee, United States; third-largest city in Tennessee
Knoxville 2,692 City in Knox County, Illinois, United States
Wataga 773 Human settlement in Illinois, United States of America
East Galesburg 761 Human settlement in Knox Township, Illinois, United States of America
Oneida 653 City in Illinois, USA
Yates City 641 Village in Illinois, United States
Williamsfield 538 Human settlement in Illinois, United States of America
Altona 490 Village in Illinois, United States
Victoria 282 Village in Illinois, United States
Rio 280 Village in Illinois, USA
Maquon 259 Township in Knox County, Illinois
Saint Augustine 111 Human settlement in Knox County, Illinois, United States of America