Oak Ridge is a village in Morehouse Parish, Louisiana, United States. The population was 142 at the 2000 census. It is part of the Bastrop Micropolitan Statistical Area.
Oak Ridge is located at 32°37′25″N 91°46′28″W / 32.62361°N 91.77444°W / 32.62361; -91.77444 (32.623659, -91.774355).
According to the United States Census Bureau, the village has a total area of 2.6 km (1.0 sq mi), all land.
As of the census of 2000, there were 142 people, 63 households, and 38 families residing in the village. The population density was 143.2 inhabitants per square mile (55.4/km²). There were 72 housing units at an average density of 72.6 per square mile (28.1/km²). The racial makeup of the village was 91.55% White, 7.75% African American, and 0.70% from two or more races.
There were 63 households out of which 28.6% had children under the age of 18 living with them, 57.1% were married couples living together, 4.8% had a female householder with no husband present, and 38.1% were non-families. 34.9% of all households were made up of individuals and 25.4% had someone living alone who was 65 years of age or older. The average household size was 2.25 and the average family size was 2.95.
In the village, the population was spread out with 24.6% under the age of 18, 4.2% from 18 to 24, 26.1% from 25 to 44, 23.2% from 45 to 64, and 21.8% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 89.3 males. For every 100 females age 18 and over, there were 78.3 males.
The median income for a household in the village was $37,500, and the median income for a family was $70,417. Males had a median income of $75,287 versus $24,583 for females. The per capita income for the village was $25,408. There were 9.8% of families and 17.5% of the population living below the poverty line, including 17.5% of under eighteens and 33.3% of those over 64.