Grand Coteau is located in Louisiana. Grand Coteau, Louisiana has a population of 932. Grand Coteau is less family-centric than the surrounding county with 25% households with children. The county percentage for households with children is 30%.
The median household income in Grand Coteau, Louisiana is $44,189. The median household income for the surrounding county is $39,418 compared to the national median of $66,222. The median age of people living in Grand Coteau is 35.6 years.
The average high temperature in July is 92.6 degrees, with an average low temperature in January of 41.2 degrees. The annual precipitation is 63.29.