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

Total population
112,010
-1.1% year-over-year change
Median household income
$60,665/yr
4.7% year-over-year change
Housing units
48,960
0.2% year-over-year change

Terrebonne County population

How many people live in Terrebonne County

Terrebonne County is home to 112,010 residents, according to the most recent Census data. Gender-wise, 49.2% of Terrebonne County locals are male, and 50.8% are female.

Total population
112,010
-1.1% year-over-year change
Gender ratio
Male
49.2%
55,089
Female
50.8%
56,921
Value Percent YoY change
Male 55,089 49.2% -0.8%
Female 56,921 50.8% -1.5%
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 Terrebonne County is 40, with the population distributed as follows: about 20.9% are children under 15, then 12.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.4% of the population, while another 24.9% fall into the 45 to 64 bracket. Finally, around 15.5% are 65 or older.

Median age
40
Age breakdown
Under 15
20.9%
15 to 24
12.3%
25 to 44
26.4%
45 to 64
24.9%
Over 65
15.5%
Value Percent YoY change
Under 15 23,383 20.9% -1.9%
15 to 24 13,821 12.3% -0.9%
25 to 44 29,545 26.4% -2.5%
45 to 64 27,860 24.9% -0.8%
Over 65 17,401 15.5% 1.5%
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 Terrebonne County, 96% of the population are US-born citizens, while 1.9% have gained naturalized citizenship. At the same time, 2.1% of residents are non-citizens. As for race, 66.1% of locals are Caucasian, 16.8% are African American and 1% have Asian roots. There’s also a share of 8.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
96%
Non-U.S.-born citizens
1.9%
Non-citizens
2.1%
Value Percent YoY change
U.S.-born citizens 107,568 96% -1.4%
Non-U.S.-born citizens 2,098 1.9% 16.0%
Non-citizens 2,344 2.1% -4.3%
Racial breakdown
White
66.1%
Black or African American
16.8%
American Indian and Alaska Native
5.3%
Asian
1%
Native Hawaiian and other Pacific Islander
0%
Two or more races
8.2%
Other
2.5%
Value Percent
White 74,067 66.1%
Black or African American 18,790 16.8%
American Indian and Alaska Native 5,985 5.3%
Asian 1,152 1%
Native Hawaiian and other Pacific Islander 26 0%
Two or more races 9,191 8.2%
Other 2,799 2.5%

Households in Terrebonne County

A peek inside Terrebonne County households

Terrebonne County has 43,513 households, with an average of 2 members in each. Of these, 70% are families, while the remaining 30% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
43,513
0.6% year-over-year change
Average people per household
2
Non-family households
13,045
Family households
30,468
Value Percent YoY change
Non-family households 13,045 30% 1.9%
Family households 30,468 70% 0.1%
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 Terrebonne County

The housing landscape of Terrebonne County

Terrebonne County's housing consists of 48,960 units, with 70.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 1.6% 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 15.9% of the housing landscape.

Housing units
48,960
0.2% year-over-year change
Housing types
Value Percent
1 unit, detached 34,707 70.9%
1 unit, attached 777 1.6%
2 units 410 0.8%
3 or 4 units 642 1.3%
5 to 9 units 1,052 2.2%
10 to 19 units 1,290 2.6%
20 to 49 units 763 1.6%
50 or more units 1,212 2.5%
Mobile home 7,798 15.9%
Boat, RV, van, etc. 309 0.6%
Homes built since 2020
787
78.9% year-over-year change

The age of buildings in Terrebonne County

In Terrebonne County, the median construction year is 1988. About 3.9% of homes were built before the 1940s, with another 3.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 16.8% of homes were added from 2000 to 2009, 10.7% between 2010 and 2019, and 1.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1,913 3.9% -14.0%
Built between 1940 and 1949 1,898 3.9% 9.9%
Built between 1950 and 1959 3,768 7.7% -2.3%
Built between 1960 and 1969 5,414 11.1% -5.2%
Built between 1970 and 1979 9,551 19.5% 2.9%
Built between 1980 and 1989 5,991 12.2% 1.2%
Built between 1990 and 1999 6,182 12.6% -3.0%
Built between 2000 and 2009 8,224 16.8% -1.9%
Built between 2010 and 2019 5,232 10.7% 5.7%
Built in 2020 or later 787 1.6% 78.9%
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.

Terrebonne County occupancy rates

Out of the 43,513 occupied housing units in Terrebonne County, 76.9% are owner-occupied, while 23.1% are lived in by tenants. Meanwhile, 11.1% of all homes on the local market sit vacant.

Occupied housing units
43,513
0.6% year-over-year change
Occupancy breakdown
Renter occupied
10,055
Owner occupied
33,458
Value Percent YoY
change
Renter occupied 10,055 23.1% -7.7%
Owner occupied 33,458 76.9% 3.4%
Unoccupied housing units
11.1%
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.

Terrebonne County housing costs

Housing costs in Terrebonne County come to a median of $727 per month, while tenants specifically pay a median gross rent of $986.

Median housing costs per month
$727/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 Terrebonne County
$986/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 Terrebonne County

Terrebonne County education at a glance

About 51.8% of the population in Terrebonne County went to high school, while 18.5% pursued college studies. Another 5.8% earned an associate degree and 12% hold a bachelor’s. Meanwhile, 5.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 5,289 6.3% -4.8%
High school diploma 43,337 51.8% 1.1%
College diploma 15,505 18.5% -7.7%
Associate degree 4,808 5.8% -7.4%
Bachelor's degree 10,041 12% 6.2%
Graduate degree 4,663 5.6% 3.9%
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 Terrebonne County

How much people earn in Terrebonne County

The average annual household income in Terrebonne County was $82,959 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -4.5% change from the previous year. At the same time, the median income stood at $60,665, reflecting a +4.6% shift over the same period.

Average household income in Terrebonne County
$82,959/year
-4.5% year-over-year change
Median household income in Terrebonne County
$60,665/year
4.7% year-over-year change

Terrebonne County income by age

In Terrebonne County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $95,183. Those with someone between 45 and 64 in charge, often well established professionally, earn $69,598 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $62,541, while those led by someone over 65, many of whom may be retired, have about $44,835 in earnings. Overall, 83.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $62,541 37.9%
25 - 44 $95,183 7.9%
45 - 64 $69,598 4.5%
Over 65 $44,835 7.0%
Above poverty level
90,776
Below poverty level
18,011
Value Percent YoY
change
Above poverty level 90,776 83.4% -1.0%
Below poverty level 18,011 16.6% -1.7%

Employment in Terrebonne County

Workforce and job types in Terrebonne County

70.2% of the working population are employed in professional or administrative positions, while 29.8% are in hands-on or service-based jobs. Also, 10.1% run their own businesses, 71.1% are employed by private companies, and 11.8% work in the public sector.

Workforce demographics

White collar
34,068
Blue collar
14,424
Value Percent YoY change
White collar 34,068 70.2% 0.3%
Blue collar 14,424 29.8% -0.6%
Employer type
Self employees
10.1%
Private companies
71.1%
Governmental workers
11.8%
Not for profit companies
7%
Value Percent YoY change
Self employees 4,893 10.1% 3.5%
Private companies 34,491 71.1% -1.0%
Governmental workers 5,701 11.8% 4.3%
Not for profit companies 3,407 7% -0.9%

Transportation in Terrebonne County

How people get around in Terrebonne County

In Terrebonne County, the average commute time is 171 minutes. Commuting methods vary: 99% 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.

Commute time
171 min
48.7% year-over-year change
Means of transportation
Value Percent YoY change
Car 44,203 99% 0.8%
Taxicab 11 0% 120.0%
Bus or trolleybus 114 0.3% -29.6%
Bicycle 6 0% N/A
Walk 319 0.7% -48.9%
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 Terrebonne County by zipcode?

Zipcode Population Number of households Median income Average income
70343 5,280 1,961 $73,815 $96,221
70344 4,724 2,009 $51,771 $66,818
70352 167 94 $0 $75,352
70353 442 248 $35,500 $64,179
70356 1,495 652 $32,756 $52,205
70359 10,038 3,574 $56,121 $86,693
70360 28,574 11,383 $84,890 $108,638
70363 24,127 9,178 $46,748 $60,243
70364 28,716 11,173 $68,843 $80,464
70377 3,056 1,135 $60,665 $74,437

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FAQs about Terrebonne County demographics 

What is the total population of Terrebonne County?

Terrebonne County has a total population of 112,010 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 -1.1% compared to a year ago.

What is the gender ratio in Terrebonne County?

The gender ratio in Terrebonne County is as follows:
  • 49.2% males (55,089 residents)
  • 50.8% females (56,921 residents)

What is the median age in Terrebonne County?

The median age in Terrebonne County is 40.

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

The age distribution in Terrebonne County is as follows:
  • Under 15: 20.9% (23,383 residents)
  • Ages 15-24: 12.3% (13,821 residents)
  • Ages 25-44: 26.4% (29,545 residents)
  • Ages 45-64: 24.9% (27,860 residents)
  • Over 65: 15.5% (17,401 residents)

What is the racial and ethnic makeup of Terrebonne County?

The racial and ethnic makeup of Terrebonne County is as follows:
  • White: 66.1% (74,067 residents)
  • Black or African American: 16.8% (18,790 residents)
  • American Indian and Alaska Native: 5.3% (5,985 residents)
  • Asian: 1% (1,152 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (26 residents)
  • Two or More Races: 8.2% (9,191 residents)
  • Other: 2.5% (2,799 residents)

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

U.S.-born citizens represent 96% of the population in Terrebonne County.

How many housing units are there in Terrebonne County?

There are 48,960 housing units in Terrebonne County, reflecting a +0.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Terrebonne County has a total of 43,513 households, with an average of 2 people in each.

What is the median household income in Terrebonne County?

Terrebonne County has a median household income of $60,665, representing a +4.7% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Terrebonne County?

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

Job types:
  • White-collar workers: 70.2% (34,068 residents)
  • Blue-collar workers: 29.8% (14,424 residents)

Places of employment:
  • Self-employed: 10.1% (4,893 residents)
  • Private companies: 71.1% (34,491 residents)
  • Governmental workers: 11.8% (5,701 residents)
  • Not-for-profit companies: 7% (3,407 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