ZIP code profile · 2024 county data

ZIP Code 70357

Lafourche County, Louisiana: Census demographics for this ZIP plus the containing county's FBI UCR crime rate.

Data updated 2026-08-24

1,435
Property rate /100K (county)
2,880
Population (ZIP)
215
Violent rate /100K (county)

Is ZIP code 70357 safe? Honest data snapshot

ZIP code 70357 sits within Lafourche County, LA, a county whose reported crime runs below the national average (see the county-level FBI figures below, not a ZIP-specific calculation).

Lafourche County's reported crime sits somewhat below the national average: 215 violent and 1,435 property incidents per 100,000 residents in 2024.

ZIP 70357 carries a Census-reported population of 2,880, ranking #8 of 11 ZIPs in Lafourche County, spread across 181.17 square miles (about 16 people per square mile). For a full breakdown of Lafourche County's crime categories and year-over-year trend, see the Lafourche County crime page linked below.

ZIP 70357 has no FBI-native crime rate (postal codes are not police jurisdictions). The property-led county proxy above is from Lafourche County agency submissions; see methodology for the ZCTA plurality map. Methodology.

ZIP 70357 Census context

These are ZIP/ZCTA demographic estimates, separate from the county-level FBI proxy above. They describe the local settlement, not a crime rate.

Median household income
$52,580
Median age
43.0 years
Owner-occupied homes
79%
Occupied homes
1,085

Source: U.S. Census Bureau, ACS 2022 5-year ZCTA estimates (income, age, and occupied housing tenure).

How useful is the county proxy for ZIP 70357?

Within the participating-agency records for Lafourche County, reported violent and property crime rates both sit below their U.S. benchmarks: violent crime is 39% below and property crime is 16% below. The two submitted measures point in the same direction, but they do not establish complete county coverage or turn the result into a ZIP-level rating for 70357. Both comparisons use the same 2024 county reporting population and FBI-submitted counts, so the two directions are internally comparable for this release, not evidence about a different year.

70357 is comparatively spread out at about 16 people per square mile. That settlement pattern may differ sharply from the county's population centers, another reason to use the county rates as regional context rather than a local estimate.

Lafourche County UCR book ZIP 70357 inherits

ZIP 70357 itself is about 16 people per Census sq mi across 181.2 sq mi (2,880 residents), a postal settlement fact independent of the county UCR proxy.

ZIP 70357 accounts for roughly 3% of the county reporting population (2,880 of 97,557).

Lafourche County's 2024 UCR book concentrates in larceny-theft (63% of 1,610 offenses; mix index 4,533). ZIP 70357 inherits that county mix, not a postal-native split.

Lafourche County 2024 vs 2023: violent counts +8% vs 2023; property counts +3% vs 2023. Year-over-year moves are county agency submissions, still not ZIP-native.

Lafourche County offense mix (2024)

Mix index is HHI × 10,000 on county offense-type shares. Distinct from the per-100K rates in the hero; still county-agency data, not a ZIP-native FBI table.

Nationwide peers for ZIP 70357

Similar county violent rate (~215/100K)

Similar Census population (~2,880)

County detail: Lafourche County · State atlas: Louisiana

Sources: U.S. Census Bureau (ZIP population, land area, 2020 ZCTA-to-county relationship file, ACS 5-year estimates) and FBI Uniform Crime Reporting (UCR) Program, Crime in the United States (CIUS) Table 10 (county-level crime, attributed via ZIP-to-county crosswalk).

Verify with Census.gov Geography and FBI.gov UCR.

Read our methodology , how this data is sourced, computed, and verified.

Every figure on PlainCrime is rendered directly from FBI Uniform Crime Reporting (UCR) source data, no number is typed in by an editor. This page combines Census ZIP-level figures with a ZIP-to-county crosswalk to attribute FBI UCR crime data honestly, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.