Geismar is located in Louisiana. Geismar, Louisiana has a population of 6,760. Geismar is more family-centric than the surrounding county with 40.88% of the households containing married families with children. The county average for households married with children is 35.25%.
The median household income in Geismar, Louisiana is $90,671. The median household income for the surrounding county is $74,748 compared to the national median of $57,652. The median age of people living in Geismar is 35.3 years.
The average high temperature in July is 90.6 degrees, with an average low temperature in January of 41.6 degrees. The average rainfall is approximately 61.5 inches per year, with 0 inches of snow per year.