Geismar is located in Louisiana. Geismar, Louisiana has a population of 8,935. Geismar is more family-centric than the surrounding county with 39% households with children. The county percentage for households with children is 37%.
The median household income in Geismar, Louisiana is $91,690. The median household income for the surrounding county is $76,729 compared to the national median of $61,963. The median age of people living in Geismar is 35 years.
The average high temperature in July is 90.99 degrees, with an average low temperature in January of 41.21 degrees. The annual precipitation is 62.92.