Oakland City is the third-largest city in Gibson County, Indiana, United States, after Princeton and Fort Branch. It is the site of Oakland City University. The population was 2,279 at the 2020 census. History Oakland City was laid out and platted in 1856. It was probably named for the presence of oak trees. The Oakland City post office was established in 1860. The William M. Cockrum House was listed on the National Register of Historic Places in 1978. Geography Oakland City is located at (38.337953, -87.347356). According to the 2010 census, Oakland City has a total area of , of which (or 99.82%) is land and (or 0.18%) is water. Demographics 2010 census At the 2010 census, there were 2,429 people, 973 households and 568 families living in the city. The population density was . There were 1,157 housing units at an average density of . The racial make-up was 97.2% White, 0.4% African American, 0.2% Native American, 0.6% Asian, 0.5% from other races, and 1.1% from two or more races. Hispanic or Latino of any race were 2.0% of the population. There were 973 households, of which 28.9% had children under the age of 18 living with them, 39.4% were married couples living together, 12.6% had a female householder with no husband present, 6.4% had a male householder with no wife present, and 41.6% were non-families. 37.0% of all households were made up of individuals, and 17.5% had someone living alone who was 65 years of age or older. The average household size was 2.22 and the average family size was 2.86. The median age was 36.1 years. 20.6% of residents were under the age of 18, 16.3% were between the ages of 18 and 24, 21.7% were from 25 to 44, 23.8% were from 45 to 64 and 17.5% were 65 years of age or older. The sex make-up of the city was 47.2% male and 52.8% female. 2000 census At the 2000 census, there were 2,588 people, 1,031 households and 642 families living in the city. The population density was . There were 1,176 housing units at an average density of . The racial make-up was 97.60% White, 0.73% African American, 0.19% Native American, 0.50% Asian, 0.43% from other races, and 0.54% from two or more races. Hispanic or Latino of any race were 1.55% of the population. There were 1,031 households, of which 27.2% had children