Oak Grove town represents an area within the Oak Grove town subdivision of the Barron County (Wisconsin),
which is not part of any official city, town or other place of the Oak Grove town subdivision.
This area is populated by approximatelly 948 people and occupies the area of 36 square miles - 1 square miles represent water areas.
Racial makeup of the population is : White (97.89%), Black or African American (0.95%) and Two or More races (0.42%).
The male part of the population has a median age of 43 and the “median female” is 43 years old.
Statistical data for the Oak Grove town based on the 2010 U.S. Census