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 recent months roughly 7 homes have been sold with an average sold price of 420,265. That is an increase of $58,894 from the previous period.