Ontario demographics profile

Population density (sq mi)4738791
Median age38.939.137.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)63%57%55%
Speak English78%91%79%
Speak Spanish22%5%13%
Ontario, WI has a population of 475 and is the 19,842nd largest city in the United States. The population density is 473 per sq mi which is 441% higher than the Wisconsin average and 422% higher than the national average. The median age in Ontario is 39 which is approximately 1% lower than the Wisconsin average of 39. In Ontario, 63% of the population over 15 years of age are married, 78% speak English and 22% speak Spanish. 75% of Ontario residents were born in Wisconsin, 19% were born out of state, 0% were born outside of the United States and 6% were foreign born.

Did you know?

  • The population density in Ontario is 441% higher than Wisconsin.
  • The median age in Ontario is 1% lower than Wisconsin.
  • In Ontario 76.21% of the population is Caucasian.
  • In Ontario 0.00% of the population is African American.
  • In Ontario 0.21% of the population is Asian.

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Ontario population breakdown by race

African American0.00%6.29%12.63%
American Indian0.84%0.89%0.82%
Native Hawaiian0.00%0.02%0.18%
Mixed race0.63%2.19%3.06%
Other race22.11%1.83%4.75%
In Ontario, 24.6% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Ontario age breakdown

Marital status

Age of children in married couples

Source: The Ontario, WI demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).