Ontario is located in Hand County, South Dakota. Ontario has a 2025 population of 22 . Ontario is currently declining at a rate of -4.35% annually and its population has decreased by -8.33% since the most recent census, which recorded a population of 24 in 2020.
The average household income in Ontario is $40,224 with a poverty rate of 51.52%. The median age in Ontario is 39.8 years: 37.3 years for males, and 57 years for females. For every 100 females there are 230.0 males.
Data after 2023 is projected based on recent change
The racial composition of Ontario includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 66 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Ontario's average per capita income is $0. Household income levels show a median of $0. The poverty rate stands at 51.52%.
Name | Median | Mean |
|---|---|---|
| Households | - | $40,224 |
| Families | - | $40,224 |
| Married Families | - | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate