Geismar, LA demographics:
population, income, and more

Total population
9,199
-6.8% year-over-year change
Median household income
$128,975/yr
4.0% year-over-year change
Housing units
3,046
-2.9% year-over-year change

Geismar population

How many people live in Geismar

Geismar is home to 9,199 residents, according to the most recent Census data. Gender-wise, 49.6% of Geismar locals are male, and 50.4% are female.

Total population
9,199
-6.8% year-over-year change
Gender ratio
Male
49.6%
4,567
Female
50.4%
4,632
Value Percent YoY change
Male 4,567 49.6% -9.5%
Female 4,632 50.4% -3.9%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Geismar is 34, with the population distributed as follows: about 25% are children under 15, then 16.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 27.2% of the population, while another 25.8% fall into the 45 to 64 bracket. Finally, around 5.7% are 65 or older.

Median age
33.5
Age breakdown
Under 15
25%
15 to 24
16.2%
25 to 44
27.2%
45 to 64
25.8%
Over 65
5.7%
Value Percent YoY change
Under 15 2,301 25% -8.6%
15 to 24 1,495 16.2% -10.8%
25 to 44 2,497 27.2% -14.3%
45 to 64 2,377 25.8% 2.7%
Over 65 528 5.7% 18.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Geismar, 94.2% of the population are US-born citizens, while 2.6% have gained naturalized citizenship. At the same time, 3.3% of residents are non-citizens. As for race, 53% of locals are Caucasian, 23% are African American and 3.6% have Asian roots. There’s also a share of 14.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
94.2%
Non-U.S.-born citizens
2.6%
Non-citizens
3.3%
Value Percent YoY change
U.S.-born citizens 8,662 94.2% -6.2%
Non-U.S.-born citizens 237 2.6% -15.1%
Non-citizens 301 3.3% -14.2%
Racial breakdown
White
53%
Black or African American
23%
American Indian and Alaska Native
0.2%
Asian
3.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
14.6%
Other
5.6%
Value Percent
White 4,872 53%
Black or African American 2,116 23%
American Indian and Alaska Native 20 0.2%
Asian 330 3.6%
Two or more races 1,343 14.6%
Other 517 5.6%

Households in Geismar

A peek inside Geismar households

Geismar has 2,853 households, with an average of 3 members in each. Of these, 86.4% are families, while the remaining 13.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
2,853
-4.4% year-over-year change
Average people per household
3
Non-family households
386
Family households
2,466
Value Percent YoY change
Non-family households 386 13.5% -10.4%
Family households 2,466 86.4% -3.4%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Geismar

The housing landscape of Geismar

Geismar's housing consists of 3,046 units, with 75.2% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 24.6% of the housing landscape.

Housing units
3,046
-2.9% year-over-year change
Housing types
Value Percent
1 unit, detached 2,289 75.2%
3 or 4 units 7 0.2%
Mobile home 750 24.6%
Homes built since 2020
56
-11.1% year-over-year change

The age of buildings in Geismar

In Geismar, the median construction year is 2005. Most development happened in the second half of the 20th century. Then, 46.3% of homes were added from 2000 to 2009, 23.5% between 2010 and 2019, and 1.8% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 82 2.7% -10.9%
Built between 1950 and 1959 13 0.4% 0.0%
Built between 1960 and 1969 72 2.4% 80.0%
Built between 1970 and 1979 412 13.5% 37.3%
Built between 1980 and 1989 117 3.8% 1.7%
Built between 1990 and 1999 170 5.6% 20.6%
Built between 2000 and 2009 1,410 46.3% 0.4%
Built between 2010 and 2019 715 23.5% -26.2%
Built in 2020 or later 56 1.8% -11.1%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Geismar occupancy rates

Out of the 2,853 occupied housing units in Geismar, 81.4% are owner-occupied, while 18.6% are lived in by tenants. Meanwhile, 6.3% of all homes on the local market sit vacant.

Occupied housing units
2,853
-4.4% year-over-year change
Occupancy breakdown
Renter occupied
531
Owner occupied
2,321
Value Percent YoY
change
Renter occupied 531 18.6% -12.8%
Owner occupied 2,321 81.4% -2.2%
Unoccupied housing units
6.3%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Geismar housing costs

Housing costs in Geismar come to a median of $1,793 per month, while tenants specifically pay a median gross rent of $850.

Median housing costs per month
$1,793/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Geismar
$850/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Geismar

Geismar education at a glance

About 30.1% of the population in Geismar went to high school, while 18.1% pursued college studies. Another 7.7% earned an associate degree and 30.7% hold a bachelor’s. Meanwhile, 8.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 312 4.7% 2.6%
High school diploma 2,003 30.1% -6.6%
College diploma 1,205 18.1% 3.8%
Associate degree 510 7.7% -17.1%
Bachelor's degree 2,042 30.7% -1.7%
Graduate degree 574 8.6% -2.4%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Geismar

How much people earn in Geismar

The average annual household income in Geismar was $141,311 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.3% change from the previous year. At the same time, the median income stood at $128,975, reflecting a +4% shift over the same period.

Average household income in Geismar
$141,311/year
1.3% year-over-year change
Median household income in Geismar
$128,975/year
4.0% year-over-year change

Geismar income by age

In Geismar, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $138,080. Those with someone between 45 and 64 in charge, often well established professionally, earn $156,176 overall. Overall, 94.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $138,080 6.5%
45 - 64 $156,176 2.3%
Over 65 $45,230 2.2%
Above poverty level
8,422
Below poverty level
517
Value Percent YoY
change
Above poverty level 8,422 94.2% -2.6%
Below poverty level 517 5.8% -47.1%

Employment in Geismar

Workforce and job types in Geismar

87.4% of the working population are employed in professional or administrative positions, while 12.6% are in hands-on or service-based jobs. Also, 11% run their own businesses, 72.8% are employed by private companies, and 9% work in the public sector.

Workforce demographics

White collar
4,325
Blue collar
626
Value Percent YoY change
White collar 4,325 87.4% -3.5%
Blue collar 626 12.6% -21.4%
Employer type
Self employees
11%
Private companies
72.8%
Governmental workers
9%
Not for profit companies
7.3%
Value Percent YoY change
Self employees 543 11% 3.4%
Private companies 3,601 72.8% -7.4%
Governmental workers 445 9% -25.5%
Not for profit companies 361 7.3% 34.7%

Transportation in Geismar

How people get around in Geismar

Commuting methods vary: 99.3% of residents travel by personal vehicle and 0.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 4,161 99.3% -5.7%
Walk 29 0.7% 141.7%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Geismar by zipcode?

Zipcode Population Number of households Median income Average income
70734 9,213 2,857 $128,975 $141,312

Explore more communities

FAQs about Geismar demographics 

What is the total population of Geismar?

Geismar has a total population of 9,199 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -6.8% compared to a year ago.

What is the gender ratio in Geismar?

The gender ratio in Geismar is as follows:
  • 49.6% males (4,567 residents)
  • 50.4% females (4,632 residents)

What is the median age in Geismar?

The median age in Geismar is 33.5.

What is the age distribution of the population in Geismar?

The age distribution in Geismar is as follows:
  • Under 15: 25% (2,301 residents)
  • Ages 15-24: 16.2% (1,495 residents)
  • Ages 25-44: 27.2% (2,497 residents)
  • Ages 45-64: 25.8% (2,377 residents)
  • Over 65: 5.7% (528 residents)

What is the racial and ethnic makeup of Geismar?

The racial and ethnic makeup of Geismar is as follows:
  • White: 53% (4,872 residents)
  • Black or African American: 23% (2,116 residents)
  • American Indian and Alaska Native: 0.2% (20 residents)
  • Asian: 3.6% (330 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 14.6% (1,343 residents)
  • Other: 5.6% (517 residents)

What percentage of the population in Geismar are U.S.-born citizens?

U.S.-born citizens represent 94.2% of the population in Geismar.

How many housing units are there in Geismar?

There are 3,046 housing units in Geismar, reflecting a -2.9% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Geismar and what is the average household size?

Geismar has a total of 2,853 households, with an average of 3 people in each.

What is the median household income in Geismar?

Geismar has a median household income of $128,975, representing a +4.0% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Geismar?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 87.4% (4,325 residents)
  • Blue-collar workers: 12.6% (626 residents)

Places of employment:
  • Self-employed: 11% (543 residents)
  • Private companies: 72.8% (3,601 residents)
  • Governmental workers: 9% (445 residents)
  • Not-for-profit companies: 7.3% (361 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025