About Carville, LACarville is located in Louisiana. Carville, Louisiana has a population of 910. Carville is more family-centric than the surrounding county with 33% households with children. The county percentage for households with children is 26%. The median household income in Carville, Louisiana is $28,443. The median household income for the surrounding county is $47,851 compared to the national median of $57,525. The median age of people living in Carville is 31 years. Carville WeatherThe average high temperature in July is 91.26 degrees, with an average low temperature in January of 40.6 degrees. The annual precipitation is 59.84. Carville MapCarville real estate officesReal estate near CarvilleNearby CitiesNearby Cities Homes for Sale |