Postal Codes

70374 ZIP Code

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ZIP code 70374 covers Lockport, Louisiana, with a population of about 6,506 and a median household income of $69,896.

Population
6,506147 per square mile
Median age
39.81.1 points above the US average
Median household income
$69,8961.2× the Louisiana median
Poverty rate
17.4%5 points above the US average
Typical home value
$170,055down 17.1% in five years
Median rent
$9845% below the Louisiana median
Degree or higher
12.8%22.2 points below the US average
Homeownership
78.9%13.9 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
97

Where 70374 is

Lockport, 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

Population6,506
Median age39.8
Family households71.4%
Born outside the US6.2%
Speaks a language other than English at home15.7%
White (non-Hispanic)80.1%
Black (non-Hispanic)2.3%
Asian (non-Hispanic)0.8%
Hispanic or Latino11.2%
Veterans3.4%
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$69,896
Income per person$31,807
Poverty rate17.4%
Households on SNAP or cash assistance12.8%

Household income distribution

Under $10k5.6%
$10–15k2.5%
$15–20k4.9%
$20–25k4.6%
$25–30k2.6%
$30–35k5.6%
$35–40k3.6%
$40–45k6.5%
$45–50k3.1%
$50–60k4.7%
$60–75k7.0%
$75–100k13.1%
$100–125k17.2%
$125–150k4.3%
$150–200k8.7%
$200k or more6.1%

Income as declared to the IRS

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

Tax returns filed2,610
Mean adjusted gross income$64,648
Returns declaring $200,000 or more3.1%
Returns, under $25k31.8%
Returns, $25k–$50k21.5%
Returns, $50k–$75k15.7%
Returns, $75k–$100k11.9%
Returns, $100k–$200k16.1%
Returns, $200k or more3.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$190,000
Median gross rent$984
Owner-occupied78.9%
Vacant homes11.5%
Median year built1974

What the homes are

Detached house81.5%
Attached house0.1%
2 to 4 units4.4%
5 to 19 units2.4%
20 or more units1.2%
Mobile home10%
Boat, RV or van0.3%
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$170,055as of 2026-07
Typical home value, 1 yearup 4.5%
Typical home value, 5 yearsdown 17.1%
Typical home value, 10 yearsdown 11.6%
Typical home value since 2000
201420202026$205,096$162,802

$167,770 in 2014 to $170,055 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.3%
Bachelor's degree or higher12.8%
High school diploma or higher79.1%
Works from home2.2%
Drives to work alone83.4%
Takes public transport0%
Commutes 45 minutes or more19.4%
Health

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

Obesity47.8% 14.4 pts above the national average of 33.4%
Diagnosed diabetes15.9% 3.9 pts above the national average of 12%
Currently smokes22.1% 8.9 pts above the national average of 13.2%
High blood pressure45.1% 11 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)10.4% 0.9 pts below the national average of 11.3%
Depression31.6% 9.7 pts above the national average of 21.9%
No leisure-time physical activity36.1% 10.7 pts above the national average of 25.4%
Arthritis34.8% 9.7 pts above the national average of 25.1%
Binge drinking18% 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 asthma10.5% same as the national average of 10.4%
Coronary heart disease9.1% 2.9 pts above the national average of 6.2%
Routine check-up in past year80.2% 3.5 pts above the national average of 76.7%
Cholesterol screening84.9% 1 pts below the national average of 85.9%
Cognitive disability21.5% 6.7 pts above the national average of 14.8%
Colorectal screening61.7% 2.6 pts below the national average of 64.3%
COPD11.7% 5.1 pts above the national average of 6.6%
Visited a dentist49.1% 12.2 pts below the national average of 61.3%
Any disability44.8% 14.1 pts above the national average of 30.7%
Lacks emotional support28.5% 3.7 pts above the national average of 24.8%
Food insecurity23% 5.9 pts above the national average of 17.1%
Received food stamps19.5% 5.2 pts above the national average of 14.3%
Hearing disability10.4% 3.7 pts above the national average of 6.7%
High cholesterol42% 5.8 pts above the national average of 36.2%
Housing insecurity15.5% 1.7 pts above the national average of 13.8%
Independent living disability12.4% 4 pts above the national average of 8.4%
Lacks transport11.1% 1.9 pts above the national average of 9.2%
Loneliness35.2% 0.8 pts above the national average of 34.4%
Mammography use72.8% 3.1 pts below the national average of 75.9%
Poor mental health (14+ days)21.3% 4.5 pts above the national average of 16.8%
Mobility disability21.7% 7.7 pts above the national average of 14%
Poor physical health (14+ days)18.6% 5.1 pts above the national average of 13.5%
Self-care disability6% 2 pts above the national average of 4%
Utility shut-off threat11% 2.2 pts above the national average of 8.8%
Sleeps under 7 hours41.1% 4.7 pts above the national average of 36.4%
Stroke4.8% 1.4 pts above the national average of 3.4%
All natural teeth lost23.1% 10.1 pts above the national average of 13%
Vision disability7.6% 2 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments97
People employed1,206
Annual payroll$69,808,000
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 87.3% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 3 census tracts this ZIP code covers
Expected annual loss86.5 out of 100
Community resilience93.5 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.

Hurricane97.9Very High at its worst in this ZIP code
Drought93Relatively High at its worst in this ZIP code
Tornado88.4Relatively High at its worst in this ZIP code
Heat wave80.1Relatively Moderate at its worst in this ZIP code
Lightning79.6Relatively High at its worst in this ZIP code
Cold wave70Relatively Moderate at its worst in this ZIP code
Landslide66.3Very Low at its worst in this ZIP code
Hail63Relatively Low at its worst in this ZIP code
Wildfire61.4Relatively Low at its worst in this ZIP code
Strong wind55.6Relatively Moderate at its worst in this ZIP code
Coastal flooding53.1Relatively Low at its worst in this ZIP code
Winter weather46.4Relatively Low at its worst in this ZIP code
River flooding40.6Relatively Low at its worst in this ZIP code
Earthquake28Very Low at its worst in this ZIP code
Ice storm0.3Very 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$69,896$60,023$78,538
Income per person$31,807$34,211$43,289
Poverty rate17.4%18.9%12.4%
Median home value$190,000$208,700$303,400
Median gross rent$984$1,038$1,348
Homeownership78.9%67.3%65%
Bachelor's degree or higher12.8%26.6%35%
Unemployment rate5.3%6.3%5.2%
Works from home2.2%7.2%13.5%
Born outside the US6.2%4.7%13.9%
Median age39.837.838.7
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 stationGALLIANO, LA US21.5 km away
Rain in a year67 in

Average high and low by month

January62.9°F / 44.8°F5.58 in rain
February66.1°F / 48.4°F4.16 in rain
March71.4°F / 54.6°F4.66 in rain
April76.6°F / 60.6°F4.37 in rain
May82.9°F / 68.2°F5.09 in rain
June87.7°F / 74°F6.87 in rain
July89.3°F / 75.6°F9.19 in rain
August89.4°F / 75.6°F7.64 in rain
September86.4°F / 72.3°F6.62 in rain
October79.6°F / 62.8°F4.34 in rain
November71.2°F / 52.2°F3.48 in rain
December64.9°F / 47.4°F4.68 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 supermarket9% of this ZIP code's area
No vehicle and far from a supermarket9% of this ZIP code's area
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%.

Lafourche 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 vulnerability60more vulnerable than 60% of US census tracts
Socioeconomic status60more vulnerable than 60% of US census tracts
Household characteristics63more vulnerable than 63% of US census tracts
Racial and ethnic minority status24more vulnerable than 24% of US census tracts
Housing type and transport60more vulnerable than 60% of US census tracts
Walkability4.3 out of 20Least walkable
Nearby ZIP codes

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

70373 Larose, LA7.7 km away
70355 Gheens, LA11 km away
70375 Mathews, LA13.4 km away
70345 Cut Off, LA14.4 km away
70343 Bourg, LA17.6 km away
70377 Montegut, LA18.4 km away
70394 Raceland, LA18.9 km away
70030 Des Allemands, LA22 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 Parish100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area44.14 sq mi
Water area2.45 sq mi
Population density147 people per sq mi
Latitude, longitude29.6155, -90.4442

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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