Postal Codes

70643 ZIP Code

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ZIP code 70643 covers Grand Chenier, Louisiana.

Median age
61.522.8 points above the US average
Poverty rate
10.5%1.9 points below the US average
Degree or higher
23%12 points below the US average
Homeownership
83.7%18.7 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
5

Where 70643 is

Grand Chenier, 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

Median age61.5
Family households39.4%
Born outside the US0%
Speaks a language other than English at home3.4%
White (non-Hispanic)94.9%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans3.6%
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

Poverty rate10.5%
Households on SNAP or cash assistance0%

Household income distribution

Under $10k7.7%
$10–15k0.0%
$15–20k37.5%
$20–25k6.7%
$25–30k0.0%
$30–35k9.6%
$35–40k0.0%
$40–45k5.8%
$45–50k0.0%
$50–60k0.0%
$60–75k19.2%
$75–100k11.5%
$100–125k1.9%
$125–150k0.0%
$150–200k0.0%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied83.7%
Vacant homes29.7%
Median year built2009

What the homes are

Detached house24.3%
Mobile home75.7%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher23%
High school diploma or higher70.2%
Works from home28.6%
Drives to work alone65.7%
Takes public transport0%
Health

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

Obesity37.8% 4.4 pts above the national average of 33.4%
Diagnosed diabetes16.7% 4.7 pts above the national average of 12%
Currently smokes20.5% 7.3 pts above the national average of 13.2%
High blood pressure46.5% 12.4 pts above the national average of 34.1%
Fair or poor general health27.5% 7.2 pts above the national average of 20.3%
No health insurance (18–64)9.3% 2 pts below the national average of 11.3%
Depression28.3% 6.4 pts above the national average of 21.9%
No leisure-time physical activity33.1% 7.7 pts above the national average of 25.4%
Arthritis37.3% 12.2 pts above the national average of 25.1%
Binge drinking16.2% same as the national average of 16%
Taking blood pressure medication82.5% 7.8 pts above the national average of 74.7%
Cancer (non-skin)10.7% 3 pts above the national average of 7.7%
Current asthma10.1% same as the national average of 10.4%
Coronary heart disease10% 3.8 pts above the national average of 6.2%
Routine check-up in past year82.1% 5.4 pts above the national average of 76.7%
Cholesterol screening87.8% 1.9 pts above the national average of 85.9%
Cognitive disability19.1% 4.3 pts above the national average of 14.8%
Colorectal screening72.1% 7.8 pts above the national average of 64.3%
COPD12.1% 5.5 pts above the national average of 6.6%
Visited a dentist65% 3.7 pts above the national average of 61.3%
Any disability42.7% 12 pts above the national average of 30.7%
Lacks emotional support26.6% 1.8 pts above the national average of 24.8%
Food insecurity18.4% 1.3 pts above the national average of 17.1%
Received food stamps14.3% same as the national average of 14.3%
Hearing disability10.9% 4.2 pts above the national average of 6.7%
High cholesterol45.7% 9.5 pts above the national average of 36.2%
Housing insecurity12.1% 1.7 pts below the national average of 13.8%
Independent living disability10.9% 2.5 pts above the national average of 8.4%
Lacks transport8.7% 0.5 pts below the national average of 9.2%
Loneliness34.9% 0.5 pts above the national average of 34.4%
Mammography use77.2% 1.3 pts above the national average of 75.9%
Poor mental health (14+ days)18.6% 1.8 pts above the national average of 16.8%
Mobility disability21.9% 7.9 pts above the national average of 14%
Poor physical health (14+ days)18.8% 5.3 pts above the national average of 13.5%
Self-care disability5.7% 1.7 pts above the national average of 4%
Utility shut-off threat8.1% 0.7 pts below the national average of 8.8%
Sleeps under 7 hours33.6% 2.8 pts below the national average of 36.4%
Stroke5% 1.6 pts above the national average of 3.4%
All natural teeth lost10% 3 pts below the national average of 13%
Vision disability6.8% 1.2 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments5
People employed10
Annual payroll$1,244,000
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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 68.8% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss74.1 out of 100
Community resilience98.6 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.

Lightning99.8Very High at its worst in this ZIP code
Coastal flooding99.3Very High at its worst in this ZIP code
Wildfire96.2Relatively Moderate at its worst in this ZIP code
Drought95.9Relatively Moderate at its worst in this ZIP code
Hurricane89.3Relatively Moderate at its worst in this ZIP code
Strong wind57Relatively Moderate at its worst in this ZIP code
Tornado50.4Relatively Low at its worst in this ZIP code
Landslide44.2Very Low at its worst in this ZIP code
Ice storm43Relatively Low at its worst in this ZIP code
Hail37.2Very Low at its worst in this ZIP code
Cold wave36.8Relatively Low at its worst in this ZIP code
Winter weather23.7Relatively Low at its worst in this ZIP code
Heat wave10.8Very Low at its worst in this ZIP code
Earthquake9.5Very Low at its worst in this ZIP code
River flooding1.2Very 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$60,023$78,538
Income per person$34,211$43,289
Poverty rate10.5%18.9%12.4%
Median home value$208,700$303,400
Median gross rent$1,038$1,348
Homeownership83.7%67.3%65%
Bachelor's degree or higher23%26.6%35%
Unemployment rate0%6.3%5.2%
Works from home28.6%7.2%13.5%
Born outside the US0%4.7%13.9%
Median age61.537.838.7
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 stationROCKEFELLER WL REFUGE, LA US11.2 km away
Rain in a year59 in

Average high and low by month

January61.5°F / 44.7°F5.67 in rain
February65°F / 48.3°F3.29 in rain
March71.1°F / 54.5°F3.4 in rain
April76.9°F / 60.9°F4.64 in rain
May83.3°F / 69.1°F4.45 in rain
June88.4°F / 74.8°F5.93 in rain
July89.8°F / 76.7°F6.96 in rain
August90.6°F / 76°F7.04 in rain
September87.9°F / 71.8°F6.01 in rain
October80.9°F / 62.2°F3.72 in rain
November71.5°F / 52.9°F4.3 in rain
December64.3°F / 46.6°F3.97 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%.

Cameron Parish School District100% 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 vulnerability16more vulnerable than 16% of US census tracts
Socioeconomic status31more vulnerable than 31% of US census tracts
Household characteristics15more vulnerable than 15% of US census tracts
Racial and ethnic minority status3more vulnerable than 3% of US census tracts
Housing type and transport25more vulnerable than 25% of US census tracts
Walkability3.4 out of 20Least walkable
Nearby ZIP codes

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

70632 Creole, LA13.4 km away
70646 Hayes, LA37 km away
70630 Bell City, LA39.4 km away
70549 Lake Arthur, LA43.2 km away
70607 Lake Charles, LA47.1 km away
70542 Gueydan, LA47.7 km away
70631 Cameron, LA49.5 km away
70645 Hackberry, LA49.6 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.

Cameron Parish100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area261.17 sq mi
Water area35.36 sq mi
Latitude, longitude29.7644, -92.9261

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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