Oak Grove, Barron County, Wisconsin

Geography According to the United States Census Bureau, the town has a total area of 91.3 km² (35.3 mi²). 90.2 km² (34.8 mi²) of it is land and 1.2 km² (0.4 mi²) of it is water. The total area is 1.28% water.

Demographics As of the census of 2000, there are 911 people, 313 households, and 256 families residing in the town. The population density is 10.1/km² (26.2/mi²). There are 324 housing units at an average density of 3.6/km² (9.3/mi²). The racial makeup of the town is 97.37% White, 0.22% African American, 0.55% Native American, 0.22% Asian, 0.00% Pacific Islander, 0.11% from other races, and 1.54% from two or more races. 0.66% of the population are Hispanic or Latino of any race.

There are 313 households out of which 39.9% have children under the age of 18 living with them, 70.6% are married couples living together, 6.1% have a female householder with no husband present, and 18.2% are non-families. 14.7% of all households are made up of individuals and 5.4% have someone living alone who is 65 years of age or older. The average household size is 2.91 and the average family size is 3.17.

In the town the population is spread out with 29.1% under the age of 18, 8.6% from 18 to 24, 29.4% from 25 to 44, 22.4% from 45 to 64, and 10.5% who are 65 years of age or older. The median age is 35 years. For every 100 females there are 106.1 males. For every 100 females age 18 and over, there are 110.4 males.

The median income for a household in the town is $43,088, and the median income for a family is $45,341. Males have a median income of $30,481 versus $18,860 for females. The per capita income for the town is $16,240. 4.8% of the population and 3.1% of families are below the poverty line. Out of the total people living in poverty, 4.6% are under the age of 18 and 13.0% are 65 or older.