Postal Codes

70397 ZIP Code

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ZIP code 70397 covers Theriot, Louisiana.

Median age
57.218.5 points above the US average
Poverty rate
5.8%6.6 points below the US average
Typical home value
$161,085down 11% in five years
Degree or higher
10.9%24.1 points below the US average
Homeownership
100%35 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
10

Where 70397 is

Theriot, 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 age57.2
Family households89.3%
Born outside the US0%
Speaks a language other than English at home17%
White (non-Hispanic)80.6%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino9%
Veterans4.6%
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

Income per person$32,292
Poverty rate5.8%
Households on SNAP or cash assistance7.7%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k4.4%
$20–25k6.6%
$25–30k4.1%
$30–35k0.0%
$35–40k0.0%
$40–45k0.0%
$45–50k4.8%
$50–60k3.3%
$60–75k14.4%
$75–100k7.4%
$100–125k9.6%
$125–150k33.9%
$150–200k6.6%
$200k or more4.8%

Income as declared to the IRS

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

Tax returns filed420
Mean adjusted gross income$58,793
Returns declaring $200,000 or more0%
Returns, under $25k42.9%
Returns, $25k–$50k23.8%
Returns, $50k–$75k11.9%
Returns, $75k–$100k7.1%
Returns, $100k–$200k14.3%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$161,100
Owner-occupied100%
Vacant homes49.3%
Median year built1985

What the homes are

Detached house91.8%
Mobile home8.2%
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$161,085as of 2026-07
Typical home value, 1 yeardown 3.3%
Typical home value, 5 yearsdown 11%
Typical home value, 10 yearsdown 1.9%
Typical home value since 2000
201520202026$180,969$148,634

$148,634 in 2015 to $161,085 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher10.9%
High school diploma or higher87.7%
Works from home0.3%
Drives to work alone88.2%
Takes public transport0%
Commutes 45 minutes or more15.9%
Health

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

Obesity40.4% 7 pts above the national average of 33.4%
Diagnosed diabetes16.7% 4.7 pts above the national average of 12%
Currently smokes20.8% 7.6 pts above the national average of 13.2%
High blood pressure44.2% 10.1 pts above the national average of 34.1%
Fair or poor general health27.2% 6.9 pts above the national average of 20.3%
No health insurance (18–64)9.1% 2.2 pts below the national average of 11.3%
Depression28.1% 6.2 pts above the national average of 21.9%
No leisure-time physical activity34.3% 8.9 pts above the national average of 25.4%
Arthritis35.1% 10 pts above the national average of 25.1%
Binge drinking17% 1 pts above the national average of 16%
Taking blood pressure medication80.6% 5.9 pts above the national average of 74.7%
Cancer (non-skin)9.6% 1.9 pts above the national average of 7.7%
Current asthma10.4% same as the national average of 10.4%
Coronary heart disease9.7% 3.5 pts above the national average of 6.2%
Routine check-up in past year81.8% 5.1 pts above the national average of 76.7%
Cholesterol screening86.4% 0.5 pts above the national average of 85.9%
Cognitive disability19.6% 4.8 pts above the national average of 14.8%
Colorectal screening63.8% 0.5 pts below the national average of 64.3%
COPD11.1% 4.5 pts above the national average of 6.6%
Visited a dentist54.4% 6.9 pts below the national average of 61.3%
Any disability41.6% 10.9 pts above the national average of 30.7%
Lacks emotional support27.5% 2.7 pts above the national average of 24.8%
Food insecurity20% 2.9 pts above the national average of 17.1%
Received food stamps15.6% 1.3 pts above the national average of 14.3%
Hearing disability10.8% 4.1 pts above the national average of 6.7%
High cholesterol42.8% 6.6 pts above the national average of 36.2%
Housing insecurity13.4% same as the national average of 13.8%
Independent living disability10.9% 2.5 pts above the national average of 8.4%
Lacks transport10.1% 0.9 pts above the national average of 9.2%
Loneliness34.3% same as the national average of 34.4%
Mammography use76.2% same as the national average of 75.9%
Poor mental health (14+ days)20% 3.2 pts above the national average of 16.8%
Mobility disability20.4% 6.4 pts above the national average of 14%
Poor physical health (14+ days)18.3% 4.8 pts above the national average of 13.5%
Self-care disability5.3% 1.3 pts above the national average of 4%
Utility shut-off threat9.5% 0.7 pts above the national average of 8.8%
Sleeps under 7 hours41% 4.6 pts above the national average of 36.4%
Stroke4.8% 1.4 pts above the national average of 3.4%
All natural teeth lost17.1% 4.1 pts above the national average of 13%
Vision disability6.9% 1.3 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments10
People employed30
Annual payroll$1,286,000
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 93.9% of US census tracts
FEMA ratingRelatively High
Expected annual loss91.2 out of 100
Community resilience94.7 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.

Hurricane99.2Very High at its worst in this ZIP code
Drought95Relatively Moderate at its worst in this ZIP code
Coastal flooding92.2Relatively Moderate at its worst in this ZIP code
Lightning89Relatively High at its worst in this ZIP code
Landslide77.6Very Low at its worst in this ZIP code
Tornado76.6Relatively High at its worst in this ZIP code
Heat wave72.7Relatively Moderate at its worst in this ZIP code
Cold wave70.6Relatively Moderate at its worst in this ZIP code
Wildfire70.5Relatively Low at its worst in this ZIP code
River flooding60Relatively Moderate at its worst in this ZIP code
Hail57.9Relatively Low at its worst in this ZIP code
Winter weather29.7Relatively Low at its worst in this ZIP code
Earthquake28.6Very Low at its worst in this ZIP code
Strong wind27.4Relatively Low at its worst in this ZIP code
Ice storm1Very 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$32,292$34,211$43,289
Poverty rate5.8%18.9%12.4%
Median home value$161,100$208,700$303,400
Median gross rent$1,038$1,348
Homeownership100%67.3%65%
Bachelor's degree or higher10.9%26.6%35%
Unemployment rate0%6.3%5.2%
Works from home0.3%7.2%13.5%
Born outside the US0%4.7%13.9%
Median age57.237.838.7
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 US21.6 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%.

Terrebonne 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 vulnerability52more vulnerable than 52% of US census tracts
Socioeconomic status58more vulnerable than 58% of US census tracts
Household characteristics35more vulnerable than 35% of US census tracts
Racial and ethnic minority status39more vulnerable than 39% of US census tracts
Housing type and transport54more vulnerable than 54% of US census tracts
Walkability2.8 out of 20Least walkable
Nearby ZIP codes

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

70353 Dulac, LA11.3 km away
70363 Houma, LA14 km away
70360 Houma, LA15.9 km away
70344 Chauvin, LA16.2 km away
70361 Houma, LA16.6 km away
70343 Bourg, LA18.6 km away
70364 Houma, LA20.2 km away
70377 Montegut, LA21.6 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.

Terrebonne Parish100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area70.77 sq mi
Water area5.89 sq mi
Latitude, longitude29.4516, -90.7651

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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