Ontario Flag

Ontario

County:
Vernon County
County Seat:
No
Area (mi²):
1.004
State:
Wisconsin

Ontario is a village located in Vernon County, Wisconsin. Ontario has a 2026 population of 527. Ontario is currently declining at a rate of 0% annually and its population has decreased by -0.94% since the most recent census, which recorded a population of 532 in 2020.

527
Total Population
525
Density (mi²)

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)