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Louisiana ZIP Codes
Terrebonne County
Bourg, LA
70343
70343 ZIP Code — Bourg, LA
Terrebonne County, Louisiana
ZIP code 70343 is located in
Bourg ,
Louisiana ,
within Terrebonne County .
It covers approximately 22.89 square miles and serves a population of
5,118 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 985 .
About ZIP code 70343
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $179,700. Owner-occupancy is high at 88%, well above the national average.
The gap between median ($75,521) and mean household income suggests income inequality — a small number of higher earners pull the average up. 47% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with retail trade as the leading industry. The average commute of 25 minutes is near the national average.
College attainment at 13% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (23%) compared to national benchmarks.
Overall, ZIP code 70343 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.
70343 ZIP code map
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Cities in ZIP code 70343
Below are the cities the US Postal Service accepts for ZIP code 70343. Using any city not on this list may result in mail delivery delays.
City
Status
Bourg
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
5,118
Population density
224 / sq mi
State FIPS
22
County FIPS
109
Geography
Land area
22.89 sq mi
Water area
0.49 sq mi
Latitude
29.5515
Longitude
-90.5907
Timezone
Central (CT)
Area code
985
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
31.4%
46.9%
49.2%
$50k – $100k
32.7%
30.5%
27.7%
$100k – $200k
28.9%
18.9%
18.3%
Over $200k
7.0%
3.8%
4.7%
Demographics & statistics
$75,521
Median household income
$179,700
Median home value
12.7%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,238 24.2%
18 and over 3,880 75.8%
65 and over 895 17.5%
Median age 46.6 years
Race & ethnicity
American Indian / Alaska Native
3.9%
Group Count %
White 4,704 91.2%
American Indian / Alaska Native 202 3.9%
Two or more races 171 3.3%
Hispanic or Latino 41 0.8%
Other race 41 0.8%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
31.4%
46.9%
49.2%
$50k – $100k
32.7%
30.5%
27.7%
$100k – $200k
28.9%
18.9%
18.3%
Over $200k
7.0%
3.8%
4.7%
Range % of households
Under $10k 2.1%
$10k–$15k 1.6%
$15k–$25k 20.5%
$25k–$35k 4.7%
$35k–$50k 8.1%
$50k–$75k 12.8%
$75k–$100k 7.1%
$100k–$150k 16.3%
$150k–$200k 11.9%
$200k+ 14.9%
Median income $75,521
Housing
Housing overview
Metric Value
Median home value $179,700
Median rent / month $0
Owner occupied 88.2%
Renter occupied 11.8%
Vacant 7.6%
Single-family detached 70.0%
Large apartment buildings 0.0%
Mobile homes 24.4%
Median rooms 5.9
Avg household size (owned) 2.85
Year built
Era %
2020 or later 0.1%
2010–2019 3.1%
2000–2009 15.3%
1990–1999 30.3%
1980–1989 17.5%
1970–1979 18.4%
1960–1969 3.8%
1950–1959 10.4%
1940–1949 0.1%
1939 or earlier 0.8%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 5.9%
2 bedrooms 9.9%
3 bedrooms 69.0%
4 bedrooms 13.9%
5+ bedrooms 1.3%
Vehicles per household
Vehicles % of households
No vehicle 4.5%
1 vehicle 26.2%
2 vehicles 53.8%
3 or more 15.5%
Heating fuel
Fuel type %
Utility gas 41.8%
Electricity 57.6%
Propane / LP gas 0.6%
Households & families
Household type Count %
Married-couple family 1,333 69.3%
Cohabiting couple 49 2.5%
Male householder, no spouse 178 9.3%
Female householder, no spouse 363 18.9%
Households with children under 18 684 35.6%
Households with seniors (65+) 744 38.7%
Average household size 2.66
Marital status
Status Male Female
Never married 25.9% 13.6%
Married 63.9% 69.0%
Separated 1.9% 0.0%
Widowed 4.9% 6.6%
Divorced 3.4% 10.8%
Education
Some HS, no diploma
10.4%
Some college, no degree
13.3%
Graduate / professional
6.8%
Metric %
HS diploma or higher 82.0%
Bachelor's or higher 12.7%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 66 5.7%
Kindergarten 107 9.2%
Elementary school 636 55.0%
High school 212 18.3%
College / grad school 136 11.8%
Employment
Industry of employment
Education & healthcare
16.8%
Professional & management
10.0%
Agriculture & mining
7.0%
Finance & real estate
6.4%
Transportation & utilities
2.9%
Arts, food & hospitality
1.6%
Public administration
1.5%
Occupation
Category %
Management, business & arts 34.3%
Service 8.9%
Sales & office 23.2%
Natural resources & construction 13.6%
Production & transportation 20.1%
Employment type
Type %
Private sector 86.0%
Government 9.0%
Self-employed 5.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 86.3%
Carpool 6.6%
Public transit 0.0%
Walk 0.1%
Work from home 7.0%
Other means 0.0%
Avg commute (minutes) 25.1
Poverty
Married-couple families
7.4%
Female-led households
30.6%
Income support
Source % of households
Social Security 46.7%
Retirement income 12.1%
Supplemental Security 4.6%
Cash public assistance 4.3%
Food stamps / SNAP 7.9%
Health indicators
Condition %
Obesity 38.6%
High blood pressure 36.5%
High cholesterol 35.4%
Diabetes 11.6%
Heart disease 6.7%
Stroke 3.2%
Asthma 9.4%
Arthritis 24.8%
Kidney disease 2.8%
Pulmonary disease 8.0%
Cancer 6.0%
Behavior / access %
Smoking 23.4%
Binge drinking 21.8%
No physical activity 29.1%
Less than 7 hrs sleep 33.1%
Depression 27.3%
Fair or poor health 17.6%
Poor mental health 18.3%
Poor physical health 12.1%
No health insurance 14.8%
Visited doctor (checkup) 77.0%
Visited dentist 60.3%
Cholesterol screening 87.3%
Teeth loss 16.0%
Veterans & disability
Veterans Count %
Civilian veterans 272 7.0%
Disability %
Any disability 21.2%
Under 18 22.3%
18–64 years 13.6%
65 and over 45.0%
Health insurance coverage
Type %
Private insurance 65.0%
Public insurance 41.4%
No insurance 2.2%
Uninsured under 19 3.9%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 4,931 96.3%
Spanish 31 0.6%
Other Indo-European 30 0.6%
Asian & Pacific Islander 1 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 5,066 99.0%
Born in same state 5,066 99.0%
Born in different state 4,571 89.3%
Foreign born 0 0.0%
Naturalized citizen 52 1.0%
Not a US citizen 31 59.6%
Ancestry
Ancestry Count %
French 510 10%
Arab 281 5.5%
German 261 5.1%
Ancestry Count %
Italian 114 2.2%
English 40 0.8%
Norwegian 12 0.2%
Technology access
Metric % of households
Computer access 37.6%
Internet access 92.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 70343
What city is ZIP code 70343 in?
ZIP code 70343 is primarily assigned to Bourg, Louisiana.
What county is ZIP code 70343 in?
ZIP code 70343 falls within Terrebonne County, Louisiana.
Is ZIP code 70343 mostly owner-occupied?
88% of occupied units in ZIP code 70343 are owner-occupied, well above the national average.
Does ZIP code 70343 have a large retiree population?
47% of households in ZIP code 70343 receive Social Security income, suggesting a significant retiree or disability population.
How educated is the population of ZIP code 70343?
13% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the typical home value in ZIP code 70343?
The median home value in ZIP code 70343 is $179,700.
What timezone is ZIP code 70343 in?
ZIP code 70343 observes the CST timezone.
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