In the fantastic area of Geismar you’ll be in good company with around 10,090 residents with around 83% of those homeowners. With an average age of 32, Geismar has a fairly young population filled with young professionals, new parents, and new homeowners. Over the past 30 days roughly 13 homes have been sold with an average sold price of 366,394. That is a decrease of $63,750 from the previous period.