Lafourche County, LA demographics:
population, income, and more

Total population
138,459
0.1% year-over-year change
Median household income
$66,590/yr
6.6% year-over-year change
Housing units
59,774
0.5% year-over-year change

Lafourche County population

How many people live in Lafourche County

Lafourche County is home to 138,459 residents, according to the most recent Census data. Gender-wise, 49.2% of Lafourche County locals are male, and 50.8% are female.

Total population
138,459
0.1% year-over-year change
Gender ratio
Male
49.2%
68,129
Female
50.8%
70,330
Value Percent YoY change
Male 68,129 49.2% 0.2%
Female 70,330 50.8% 0.0%
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 Lafourche County is 40, with the population distributed as follows: about 19.4% are children under 15, then 12.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 27.1% of the population, while another 25.4% fall into the 45 to 64 bracket. Finally, around 15.8% are 65 or older.

Median age
40.5
Age breakdown
Under 15
19.4%
15 to 24
12.4%
25 to 44
27.1%
45 to 64
25.4%
Over 65
15.8%
Value Percent YoY change
Under 15 26,868 19.4% -0.6%
15 to 24 17,096 12.4% 3.1%
25 to 44 37,473 27.1% 0.1%
45 to 64 35,123 25.4% -2.1%
Over 65 21,899 15.8% 2.6%
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 Lafourche County, 97.1% of the population are US-born citizens, while 1.3% have gained naturalized citizenship. At the same time, 1.6% of residents are non-citizens. As for race, 71.9% of locals are Caucasian, 14.7% are African American and 0.8% have Asian roots. There’s also a share of 7.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.1%
Non-U.S.-born citizens
1.3%
Non-citizens
1.6%
Value Percent YoY change
U.S.-born citizens 134,445 97.1% 0.2%
Non-U.S.-born citizens 1,805 1.3% -4.0%
Non-citizens 2,209 1.6% -4.3%
Racial breakdown
White
71.9%
Black or African American
14.7%
American Indian and Alaska Native
3.1%
Asian
0.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.6%
Other
2%
Value Percent
White 99,498 71.9%
Black or African American 20,363 14.7%
American Indian and Alaska Native 4,255 3.1%
Asian 1,124 0.8%
Native Hawaiian and other Pacific Islander 15 0%
Two or more races 10,505 7.6%
Other 2,699 2%

Households in Lafourche County

A peek inside Lafourche County households

Lafourche County has 54,489 households, with an average of 3 members in each. Of these, 68.6% are families, while the remaining 31.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
54,489
1.1% year-over-year change
Average people per household
3
Non-family households
17,133
Family households
37,356
Value Percent YoY change
Non-family households 17,133 31.4% 2.1%
Family households 37,356 68.6% 0.7%
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 Lafourche County

The housing landscape of Lafourche County

Lafourche County's housing consists of 59,774 units, with 70.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.5% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 16.5% of the housing landscape.

Housing units
59,774
0.5% year-over-year change
Housing types
Value Percent
1 unit, detached 42,070 70.4%
1 unit, attached 1,481 2.5%
2 units 1,068 1.8%
3 or 4 units 1,607 2.7%
5 to 9 units 1,365 2.3%
10 to 19 units 993 1.7%
20 to 49 units 564 0.9%
50 or more units 582 1%
Mobile home 9,874 16.5%
Boat, RV, van, etc. 170 0.3%
Homes built since 2020
910
109.7% year-over-year change

The age of buildings in Lafourche County

In Lafourche County, the median construction year is 1979. About 4.7% of homes were built before the 1940s, with another 3.1% going up by 1949. Most development happened in the second half of the 20th century. Then, 14% of homes were added from 2000 to 2009, 11.8% between 2010 and 2019, and 1.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 2,801 4.7% 8.7%
Built between 1940 and 1949 1,853 3.1% -8.0%
Built between 1950 and 1959 5,285 8.8% 0.8%
Built between 1960 and 1969 6,791 11.4% -1.0%
Built between 1970 and 1979 11,839 19.8% -0.3%
Built between 1980 and 1989 8,333 13.9% -5.5%
Built between 1990 and 1999 6,518 10.9% -7.3%
Built between 2000 and 2009 8,388 14% 4.3%
Built between 2010 and 2019 7,056 11.8% 6.9%
Built in 2020 or later 910 1.5% 109.7%
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.

Lafourche County occupancy rates

Out of the 54,489 occupied housing units in Lafourche County, 78.9% are owner-occupied, while 21.1% are lived in by tenants. Meanwhile, 8.8% of all homes on the local market sit vacant.

Occupied housing units
54,489
1.1% year-over-year change
Occupancy breakdown
Renter occupied
11,508
Owner occupied
42,981
Value Percent YoY
change
Renter occupied 11,508 21.1% -4.1%
Owner occupied 42,981 78.9% 2.6%
Unoccupied housing units
8.8%
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.

Lafourche County housing costs

Housing costs in Lafourche County come to a median of $767 per month, while tenants specifically pay a median gross rent of $1,013.

Median housing costs per month
$767/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 Lafourche County
$1,013/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 Lafourche County

Lafourche County education at a glance

About 49.6% of the population in Lafourche County went to high school, while 19% pursued college studies. Another 6.9% earned an associate degree and 12.7% hold a bachelor’s. Meanwhile, 6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 6,076 5.7% 3.6%
High school diploma 52,522 49.6% -2.0%
College diploma 20,156 19% -1.7%
Associate degree 7,313 6.9% 8.5%
Bachelor's degree 13,482 12.7% 3.6%
Graduate degree 6,329 6% 2.8%
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 Lafourche County

How much people earn in Lafourche County

The average annual household income in Lafourche County was $88,236 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -3.2% change from the previous year. At the same time, the median income stood at $66,590, reflecting a +6.6% shift over the same period.

Average household income in Lafourche County
$88,236/year
-3.2% year-over-year change
Median household income in Lafourche County
$66,590/year
6.6% year-over-year change

Lafourche County income by age

In Lafourche County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $88,078. Those with someone between 45 and 64 in charge, often well established professionally, earn $72,068 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $73,571, while those led by someone over 65, many of whom may be retired, have about $43,166 in earnings. Overall, 84% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $73,571 74.5%
25 - 44 $88,078 1.3%
45 - 64 $72,068 -1.3%
Over 65 $43,166 1.2%
Above poverty level
112,603
Below poverty level
21,435
Value Percent YoY
change
Above poverty level 112,603 84% 1.2%
Below poverty level 21,435 16% -4.7%

Employment in Lafourche County

Workforce and job types in Lafourche County

71.2% of the working population are employed in professional or administrative positions, while 28.8% are in hands-on or service-based jobs. Also, 10% run their own businesses, 68.9% are employed by private companies, and 14.3% work in the public sector.

Workforce demographics

White collar
44,266
Blue collar
17,931
Value Percent YoY change
White collar 44,266 71.2% 1.6%
Blue collar 17,931 28.8% -1.2%
Employer type
Self employees
10%
Private companies
68.9%
Governmental workers
14.3%
Not for profit companies
6.8%
Value Percent YoY change
Self employees 6,210 10% 1.0%
Private companies 42,870 68.9% -0.3%
Governmental workers 8,876 14.3% 3.1%
Not for profit companies 4,241 6.8% 6.3%

Transportation in Lafourche County

How people get around in Lafourche County

In Lafourche County, the average commute time is 209 minutes. Commuting methods vary: 97.8% of residents travel by personal vehicle and 1.6% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
209 min
38.4% year-over-year change
Means of transportation
Value Percent YoY change
Car 56,009 97.8% 1.6%
Taxicab 60 0.1% 185.7%
Bus or trolleybus 234 0.4% 2.2%
Motorcycle 14 0% -64.1%
Bicycle 12 0% -63.6%
Walk 920 1.6% -23.5%
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 Lafourche County by zipcode?

Zipcode Population Number of households Median income Average income
70301 50,095 20,128 $58,394 $85,387
70343 5,280 1,961 $73,815 $96,221
70345 8,344 3,343 $62,216 $80,504
70354 3,404 1,552 $48,462 $73,336
70355 957 359 $56,188 $88,609
70357 2,351 895 $71,383 $83,098
70359 10,038 3,574 $56,121 $86,693
70364 28,716 11,173 $68,843 $80,464
70373 5,539 2,316 $87,143 $89,270
70030 4,290 1,407 $118,867 $125,515

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FAQs about Lafourche County demographics 

What is the total population of Lafourche County?

Lafourche County has a total population of 138,459 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 +0.1% compared to a year ago.

What is the gender ratio in Lafourche County?

The gender ratio in Lafourche County is as follows:
  • 49.2% males (68,129 residents)
  • 50.8% females (70,330 residents)

What is the median age in Lafourche County?

The median age in Lafourche County is 40.5.

What is the age distribution of the population in Lafourche County?

The age distribution in Lafourche County is as follows:
  • Under 15: 19.4% (26,868 residents)
  • Ages 15-24: 12.4% (17,096 residents)
  • Ages 25-44: 27.1% (37,473 residents)
  • Ages 45-64: 25.4% (35,123 residents)
  • Over 65: 15.8% (21,899 residents)

What is the racial and ethnic makeup of Lafourche County?

The racial and ethnic makeup of Lafourche County is as follows:
  • White: 71.9% (99,498 residents)
  • Black or African American: 14.7% (20,363 residents)
  • American Indian and Alaska Native: 3.1% (4,255 residents)
  • Asian: 0.8% (1,124 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (15 residents)
  • Two or More Races: 7.6% (10,505 residents)
  • Other: 2% (2,699 residents)

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

U.S.-born citizens represent 97.1% of the population in Lafourche County.

How many housing units are there in Lafourche County?

There are 59,774 housing units in Lafourche County, reflecting a +0.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Lafourche County has a total of 54,489 households, with an average of 3 people in each.

What is the median household income in Lafourche County?

Lafourche County has a median household income of $66,590, representing a +6.6% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Lafourche County?

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

Job types:
  • White-collar workers: 71.2% (44,266 residents)
  • Blue-collar workers: 28.8% (17,931 residents)

Places of employment:
  • Self-employed: 10% (6,210 residents)
  • Private companies: 68.9% (42,870 residents)
  • Governmental workers: 14.3% (8,876 residents)
  • Not-for-profit companies: 6.8% (4,241 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