What is the population of Ontario?

The population of Ontario, WI is 561.

Where is Ontario located?

Ontario, WI is located at latitude 43.7258000 and longitude -90.5915200. It is in United States.

What is the area of Ontario?

The area of Ontario, WI is 2.622921 km².

What is the elevation of Ontario?

Ontario, WI has an elevation of 280 meters (919 feet) above sea level.

What time zone is Ontario in?

Ontario, WI is in the America/Chicago time zone.

What state is Ontario in?

Ontario is in the state of Wisconsin, United States.

What county is Ontario, WI in?

Ontario is in Vernon County, Wisconsin.

How has the population of Ontario changed?

The population of Ontario, WI has increased from 554 (2010) to 561 (2020), a change of 1.3%.

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Ontario, Wisconsin

Ontario: village in Vernon County, Wisconsin, United States

About

Ontario is a village located in the county of Vernon in the U.S. state of Wisconsin. Its population at the 2010 census was 554 and a population density of 211 people per km². After 10 years in 2020 city had an estimated population of 561 inhabitants.

Quick Facts about Ontario

Population	561 (2020)
Country	United States of America
State	Wisconsin (United States)
County	Vernon County
Postal code	54651
Area	2.62 km²
Latitude & Longitude	43.7258,-90.5915
Altitude	919 feet / 280 meters
Time Zone	America/Chicago
Local time	00:01:45 (23rd April 2026)
Density	214 Pop. per km² as of 2020
Population growth	1.25% (2010-2020)
Weather	75℉ Mostly Sunny then Chance Rain Showers 7-days weather

Geography

Ontario is located at 43°43'33"N 90°35'29"W (43.7258000, -90.5915200).

Ontario map

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Weather

75°F

Mostly Sunny then Chance Rain Showers

8 to 16 mph S Thursday

A chance of rain showers after 1pm. Mostly sunny, with a high near 75. South wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation i...

7-Day Forecast

Demographics

The population of Ontario increased by 1.25% in 10 years.

Year	Population	% Change	Method
2010	554	-	census
2011	553	-0.18%	estimation process
2012	553	0%	estimation process
2013	553	0%	estimation process
2014	551	-0.36%	estimation process
2015	551	0%	estimation process
2016	551	0%	estimation process
2017	550	-0.18%	estimation process
2018	553	0.54%	estimation process
2019	555	0.36%	estimation process
2020	561	1.07%	estimation process

Ontario zip code is 54651. County name: Vernon, County fips: 55123

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Nearby Schools and Colleges

Schools and campuses linked to Ontario, WI. Select a name to open its map and contact details.

Code	Name	City	ZIP
458168	The Salon Professional Academy-Onalaska	Onalaska (WI)	54650

Nearby Transit Stations (7)

Rail and bus stations connected to Ontario, WI. Select a station to open its map and address details.

Code	Name	Address	Type
TOH	Tomah	North Superior Ave. and Washington St.	RAIL
LSE	La Crosse	St. Andrew and Caledonia Streets	RAIL
WDL	Wisconsin Dells	Superior and La Crosse Sts.	RAIL
WIN	Winona station	65 East Mark Street	RAIL
WSF	Westfield, WI	244 North Pioneer Park Road	BUS

Nearby Post Offices

Closest post offices linked to Ontario.

Post Office Name	City	ZIP
Ontar Post Office	Ontario (WI)	54651

Other places with the same name (5)

Ontario, California The second most populous city in San Bernardino County, California. 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, Illinois unincorporated community in Illinois with a population of 871 people.

Other cities in Vernon County

Cities, towns, neighborhoods & other populated places in Vernon County , WI. (more)

City Name	Population	Title
Westby	2,254	Town of the United States
Viroqua	1,832	City in and county seat of Vernon County, Wisconsin
Springville	1,314	Civil town in Adams County, Wisconsin
Hillsboro	836	City in Vernon County, Wisconsin, United States
Stoddard	831	Village in Vernon County, Wisconsin
Genoa	794	Village in Vernon County, Wisconsin, United States
Co on Valley	782	Village in Vernon County, Wisconsin, United States
La Farge	763	Village in Vernon County, Wisconsin
Greenwood	635	Town in Vernon County, Wisconsin, United States
Pleasant Valley	563	Human settlement in Eau Claire County, Wisconsin, United States of America
Readstown	414	Village in Vernon County, Wisconsin
Liberty	292	Human settlement in Grant County, Wisconsin, United States of America
Chaseburg	291	Village in Vernon County, Wisconsin
Viola	222	Village in Wisconsin, United States
De Soto	181	Village in Vernon and Crawford Counties, Wisconsin
Ross	127	Civil town in Forest County, Wisconsin