Geismar, LA zip code
Geismar, Louisiana uses one zip code: 70734. Most of it is in Ascension Parish. Together these zip codes are home to about 9.2K people.
Zip codes
1
Population
9.2K
All zips combined
Largest zip
70734
9,213 residents
Zip codes in Geismar
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 70734 | 9,213 | $128,975 |