As of the census of 2010, there were 457 people, 166 households, and 130 families residing in the town. The population density was. There were 171 housing units at an average density of. The racial makeup of the town was 95.8% White, 0.4% African American, 1.5% Native American, 0.7% Asian, and 1.5% from two or more races. Hispanic or Latino of any race were 0.9% of the population. There were 166 households of which 46.4% had children under the age of 18 living with them, 67.5% were married couplesliving together, 6.0% had a female householder with no husband present, 4.8% had a male householder with no wife present, and 21.7% were non-families. 18.1% of all households were made up of individuals and 5.4% had someone living alone who was 65 years of age or older. The average household size was 2.75 and the average family size was 3.12. The median age in the town was 33.9 years. 30.2% of residents were under the age of 18; 6.4% were between the ages of 18 and 24; 27.9% were from 25 to 44; 28% were from 45 to 64; and 7.4% were 65 years of age or older. The gender makeup of the town was 51.0% male and 49.0% female.
2000 census
As of the census of 2000, there were 419 people, 144 households, and 115 families residing in the town. The population density was 1,387.4 people per square mile. There were 153 housing units at an average density of 506.6 per square mile. The racial makeup of the town was 97.61% White, 1.19% Native American, and 1.19% from two or more races. Hispanic or Latino of any race were 0.48% of the population. There were 144 households out of which 49.3% had children under the age of 18 living with them, 66.0% were married couples living together, 6.9% had a female householder with no husband present, and 20.1% were non-families. 19.4% of all households were made up of individuals and 5.6% had someone living alone who was 65 years of age or older. The average household size was 2.91 and the average family size was 3.25. In the town, the population was spread out with 35.3% under the age of 18, 5.7% from 18 to 24, 30.5% from 25 to 44, 20.8% from 45 to 64, and 7.6% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 103.4 males. For every 100 females age 18 and over, there were 100.7 males. The median income for a household in the town was $46,667, and the median income for a family was $52,000. Males had a median income of $30,156 versus $18,625 for females. The per capita income for the town was $15,417. About 4.7% of families and 5.6% of the population were below the poverty line, including 5.6% of those under age 18 and 13.0% of those age 65 or over.
Education
Public Education
Warner High School comprises and is the sole school of the Warner School District. Warner High School houses and teaches students from kindergarten to high school, all from one building. Class size is normally around 20 students.
Notable people
Boyd R. Overhulse, Oregon lawyer and state legislator, was born in Warner.
