ZIP code 70734: Geismar, LA
70734 is a ZIP code in Geismar, Louisiana, mainly in Ascension Parish, part of the Baton Rouge, LA metro area. About 9,213 people live here.
- Population
- 9,213
- Median household income
- $128,975
- Typical home value
- $381,000+1.6% in 12 months
- Median rent
- $850gross, per month
- Median age
- 33.5
- Homeowners
- 81.4%of occupied homes
Shaded: ZIP code 70734's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 70734 details
| City | Geismar |
|---|---|
| State | Louisiana |
| County | Ascension Parish |
| Metro area | Baton Rouge, LA |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 27.8 sq mi, plus 0.5 sq mi of water |
| Population density | 332 people per sq mi |
| Bachelor's degree or higher | 47.5% of adults 25+ |
| Average commute | 27.6 minutes |
| Center coordinates | 30.20656, -90.99700 |
ZIP codes near 70734
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 70737 | Gonzales, LA | 4.5 mi | 49,084 |
| 70721 | Carville, LA | 5.1 mi | 447 |
| 70725 | Darrow, LA | 5.3 mi | 943 |
| 70738 | Burnside, LA | 6.4 mi | — |
| 70776 | Saint Gabriel, LA | 6.7 mi | 7,100 |
| 70728 | Duplessis, LA | 6.9 mi | — |
| 70346 | Donaldsonville, LA | 7.1 mi | 9,927 |
| 70707 | Gonzales, LA | 7.6 mi | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 70734?
A typical home in ZIP code 70734 is worth about $381,000 (Zillow Home Value Index). The median household here earns $128,975 a year. See what buying here would cost per month, with Louisiana average taxes and insurance filled in.
Monthly payment for a $381,000 homeWhat can a $128,975 income afford?Rental property numbers
About ZIP code 70734
What city is ZIP code 70734?
ZIP code 70734 is in Geismar, LA, in Ascension Parish.
What county is ZIP code 70734 in?
70734 is mainly in Ascension Parish, Louisiana.
What is the population of ZIP code 70734?
About 9,213 people live in ZIP code 70734, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 70734 in?
70734 is in Central Time (UTC−6). It observes daylight saving time.