Postal Codes

70343 ZIP Code

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ZIP code 70343 covers Bourg, Louisiana, with a population of about 5,271 and a median household income of $84,474.

Population
5,271230 per square mile
Median age
40.51.8 points above the US average
Median household income
$84,4741.4× the Louisiana median
Poverty rate
5.7%6.7 points below the US average
Typical home value
$228,893up 13.9% in five years
Median rent
$1,3281.3× the Louisiana median
Degree or higher
15%20 points below the US average
Homeownership
87.7%22.7 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
72

Where 70343 is

Bourg, Louisiana — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population5,271
Median age40.5
Family households77.9%
Born outside the US1.3%
Speaks a language other than English at home7.7%
White (non-Hispanic)84.6%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino1.3%
Veterans7.4%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$84,474
Income per person$40,188
Poverty rate5.7%
Households on SNAP or cash assistance10.6%

Household income distribution

Under $10k3.1%
$10–15k2.1%
$15–20k8.0%
$20–25k6.6%
$25–30k1.9%
$30–35k1.2%
$35–40k2.0%
$40–45k5.9%
$45–50k0.6%
$50–60k4.3%
$60–75k11.8%
$75–100k5.5%
$100–125k13.7%
$125–150k3.7%
$150–200k16.2%
$200k or more13.5%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,090
Mean adjusted gross income$83,356
Returns declaring $200,000 or more5.3%
Returns, under $25k28.2%
Returns, $25k–$50k19.6%
Returns, $50k–$75k14.4%
Returns, $75k–$100k10.0%
Returns, $100k–$200k22.5%
Returns, $200k or more5.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$196,800
Median gross rent$1,328
Owner-occupied87.7%
Vacant homes6.6%
Median year built1991

What the homes are

Detached house72.3%
Attached house4.7%
Mobile home23%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$228,893as of 2026-07
Typical home value, 1 yearup 4%
Typical home value, 5 yearsup 13.9%
Typical home value, 10 yearsup 27.7%
Typical home value since 2000
200920172026$228,893$147,225

$150,709 in 2009 to $228,893 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.9%
Bachelor's degree or higher15%
High school diploma or higher84%
Works from home5.4%
Drives to work alone87%
Takes public transport0.5%
Commutes 45 minutes or more15.4%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity39.2% 5.8 pts above the national average of 33.4%
Diagnosed diabetes14% 2 pts above the national average of 12%
Currently smokes18.4% 5.2 pts above the national average of 13.2%
High blood pressure40.3% 6.2 pts above the national average of 34.1%
Fair or poor general health23.4% 3.1 pts above the national average of 20.3%
No health insurance (18–64)8.3% 3 pts below the national average of 11.3%
Depression28.2% 6.3 pts above the national average of 21.9%
No leisure-time physical activity31.4% 6 pts above the national average of 25.4%
Arthritis31.9% 6.8 pts above the national average of 25.1%
Binge drinking18.2% 2.2 pts above the national average of 16%
Taking blood pressure medication79.1% 4.4 pts above the national average of 74.7%
Cancer (non-skin)8.9% 1.2 pts above the national average of 7.7%
Current asthma10.1% same as the national average of 10.4%
Coronary heart disease7.9% 1.7 pts above the national average of 6.2%
Routine check-up in past year81.1% 4.4 pts above the national average of 76.7%
Cholesterol screening86.4% 0.5 pts above the national average of 85.9%
Cognitive disability18.4% 3.6 pts above the national average of 14.8%
Colorectal screening64.1% same as the national average of 64.3%
COPD9.1% 2.5 pts above the national average of 6.6%
Visited a dentist59.9% 1.4 pts below the national average of 61.3%
Any disability37.9% 7.2 pts above the national average of 30.7%
Lacks emotional support27% 2.2 pts above the national average of 24.8%
Food insecurity17.3% same as the national average of 17.1%
Received food stamps12.9% 1.4 pts below the national average of 14.3%
Hearing disability9.2% 2.5 pts above the national average of 6.7%
High cholesterol40.3% 4.1 pts above the national average of 36.2%
Housing insecurity12.3% 1.5 pts below the national average of 13.8%
Independent living disability9.6% 1.2 pts above the national average of 8.4%
Lacks transport8.8% same as the national average of 9.2%
Loneliness34.5% same as the national average of 34.4%
Mammography use75.5% same as the national average of 75.9%
Poor mental health (14+ days)19.7% 2.9 pts above the national average of 16.8%
Mobility disability17.2% 3.2 pts above the national average of 14%
Poor physical health (14+ days)16.3% 2.8 pts above the national average of 13.5%
Self-care disability4.3% same as the national average of 4%
Utility shut-off threat8.5% same as the national average of 8.8%
Sleeps under 7 hours40.2% 3.8 pts above the national average of 36.4%
Stroke4% 0.6 pts above the national average of 3.4%
All natural teeth lost17.6% 4.6 pts above the national average of 13%
Vision disability5.7% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments72
People employed993
Annual payroll$73,320,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 87.5% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 5 census tracts this ZIP code covers
Expected annual loss88.2 out of 100
Community resilience94.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hurricane97.6Very High at its worst in this ZIP code
Drought91.8Relatively Moderate at its worst in this ZIP code
Coastal flooding90.4Very High at its worst in this ZIP code
Tornado80.9Relatively High at its worst in this ZIP code
Heat wave79.7Relatively Moderate at its worst in this ZIP code
Lightning78.9Relatively High at its worst in this ZIP code
Cold wave72.8Relatively High at its worst in this ZIP code
Hail58.1Relatively Low at its worst in this ZIP code
Wildfire52Very Low at its worst in this ZIP code
Landslide51.3Very Low at its worst in this ZIP code
River flooding44.2Relatively Moderate at its worst in this ZIP code
Winter weather42.3Relatively Low at its worst in this ZIP code
Strong wind41.4Relatively Moderate at its worst in this ZIP code
Earthquake23.3Very Low at its worst in this ZIP code
Ice storm0.4Very Low at its worst in this ZIP code
Compared with Louisiana and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPLouisianaUnited States
Median household income$84,474$60,023$78,538
Income per person$40,188$34,211$43,289
Poverty rate5.7%18.9%12.4%
Median home value$196,800$208,700$303,400
Median gross rent$1,328$1,038$1,348
Homeownership87.7%67.3%65%
Bachelor's degree or higher15%26.6%35%
Unemployment rate6.9%6.3%5.2%
Works from home5.4%7.2%13.5%
Born outside the US1.3%4.7%13.9%
Median age40.537.838.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationHOUMA, LA US22.5 km away
Rain in a year65 in

Average high and low by month

January63.9°F / 43.5°F5.57 in rain
February67.2°F / 47.8°F4.44 in rain
March72.9°F / 54.3°F4.48 in rain
April78.3°F / 59.6°F3.99 in rain
May85.2°F / 67.3°F4.38 in rain
June89.9°F / 72.6°F8.4 in rain
July91.3°F / 74.1°F9.06 in rain
August91.4°F / 74.5°F6.5 in rain
September88.6°F / 70.8°F5.77 in rain
October81.5°F / 60.9°F4.31 in rain
November72.3°F / 51.6°F4.35 in rain
December66.4°F / 45.6°F4.17 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Lafourche Parish School District50.6% of this ZIP code's land area
Terrebonne Parish School District49.4% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability43more vulnerable than 43% of US census tracts
Socioeconomic status51more vulnerable than 51% of US census tracts
Household characteristics53more vulnerable than 53% of US census tracts
Racial and ethnic minority status25more vulnerable than 25% of US census tracts
Housing type and transport43more vulnerable than 43% of US census tracts
Walkability4.7 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

70363 Houma, LA8.1 km away
70344 Chauvin, LA9.5 km away
70377 Montegut, LA10.3 km away
70361 Houma, LA11.9 km away
70364 Houma, LA14.6 km away
70360 Houma, LA15 km away
70375 Mathews, LA17.1 km away
70374 Lockport, LA17.6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Lafourche Parish50.6% of this ZIP code's land area
Terrebonne Parish49.4% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area22.89 sq mi
Water area0.49 sq mi
Population density230 people per sq mi
Latitude, longitude29.5485, -90.6087

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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