Ontario Flag

Ontario

County:
Ramsey County
County Seat:
No
Area (mi²):
33.913
State:
North Dakota

Ontario is located in Ramsey County, North Dakota. Ontario has a 2025 population of 69. Ontario is currently declining at a rate of -1.43% annually and its population has decreased by -5.48% since the most recent census, which recorded a population of 73 in 2020.

The median age in Ontario is 21.5 years: 27.6 years for males, and 17.1 years for females.

69
Total Population
2
Density (mi²)
-1 -1.43%
Growth

Ontario Population

Ontario Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Ontario includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100.0%)

Race
Population
Percentage (of total)
White94100%

Ontario Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

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)