| Official Name: | Ontario, Wisconsin |
| Settlement Type: | Village |
| Mapsize: | 260px |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Vernon |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 2.62 |
| Area Land Km2: | 2.60 |
| Area Water Km2: | 0.02 |
| Area Total Sq Mi: | 1.01 |
| Area Land Sq Mi: | 1.00 |
| Area Water Sq Mi: | 0.01 |
| Population As Of: | 2010 |
| Population Est: | 555 |
| Pop Est As Of: | 2019 |
| Population Total: | 554 |
| Population Density Km2: | 213.46 |
| Population Density Sq Mi: | 552.79 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Footnotes: | [2] |
| Elevation M: | 280 |
| Elevation Ft: | 919 |
| Coordinates: | 43.7233°N -90.5919°W |
| Blank Name: | FIPS code |
| Blank Info: | 55-60075[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1570841 |
Ontario is a village in Vernon County, Wisconsin, United States. The population was 554 at the 2010 census.
Ontario is located at 43.7233°N -90.5919°W (43.723396, -90.591999).[4]
According to the United States Census Bureau, the village has a total area of 1.01sqmi, of which, 1sqmi of it is land and 0.01sqmi is water.[5]
As of the census[6] of 2010, there were 554 people, 210 households, and 135 families living in the village. The population density was 554PD/sqmi. There were 253 housing units at an average density of 253/sqmi. The racial makeup of the village was 88.3% White, 1.3% Native American, 1.1% Asian, 7.8% from other races, and 1.6% from two or more races. Hispanic or Latino of any race were 14.8% of the population.
There were 210 households, of which 34.3% had children under the age of 18 living with them, 45.2% were married couples living together, 11.0% had a female householder with no husband present, 8.1% had a male householder with no wife present, and 35.7% were non-families. 29.5% of all households were made up of individuals, and 15.8% had someone living alone who was 65 years of age or older. The average household size was 2.64 and the average family size was 3.28.
The median age in the village was 31.5 years. 31.9% of residents were under the age of 18; 7.5% were between the ages of 18 and 24; 23.5% were from 25 to 44; 19.5% were from 45 to 64; and 17.5% were 65 years of age or older. The gender makeup of the village was 47.8% male and 52.2% female.
As of the census of 2000, there were 476 people, 225 households, and 134 families living in the village. The population density was 470.1 people per square mile (182.0/km2). There were 254 housing units at an average density of 250.9 per square mile (97.1/km2). The racial makeup of the village was 94.96% White, 0.84% Native American, 3.78% from other races, and 0.42% from two or more races. Hispanic or Latino of any race were 4.83% of the population.
There were 225 households, out of which 24.4% had children under the age of 18 living with them, 43.6% were married couples living together, 11.6% had a female householder with no husband present, and 40.4% were non-families. 36.4% of all households were made up of individuals, and 21.8% had someone living alone who was 65 years of age or older. The average household size was 2.12 and the average family size was 2.73.
In the village, the population was spread out, with 21.4% under the age of 18, 7.8% from 18 to 24, 21.8% from 25 to 44, 24.2% from 45 to 64, and 24.8% who were 65 years of age or older. The median age was 44 years. For every 100 females, there were 93.5 males. For every 100 females age 18 and over, there were 92.8 males.
The median income for a household in the village was $23,194, and the median income for a family was $28,750. Males had a median income of $23,333 versus $17,083 for females. The per capita income for the village was $13,893. About 14.2% of families and 22.4% of the population were below the poverty line, including 35.1% of those under age 18 and 24.1% of those age 65 or over.