In 2023, Ontario, WI had a population of 380 people with a median age of 38.2 and a median household income of $57,500. Between 2022 and 2023 the population of Ontario, WI declined from 415 to 380, a −8.43% decrease and its median household income stayed from $57,500 to $57,500, a 0% change.
The 5 largest ethnic groups in Ontario, WI are White (Non-Hispanic) (89.2%), Two+ (Hispanic) (6.05%), Other (Hispanic) (4.21%), Two+ (Non-Hispanic) (0.526%), and White (Hispanic) (0%).
None of the households in Ontario, WI reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
96.1% of the residents in Ontario, WI are U.S. citizens.
In 2023, the median property value in Ontario, WI was $130,000, and the homeownership rate was 85%.
Most people in Ontario, WI drove alone to work, and the average commute time was 23.7 minutes. The average car ownership in Ontario, WI was 2 cars per household.