Lafourche

Source:

Louisiana

Lafourche is a county in Louisiana with 9 ZIP codes and a total population of 90,525. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

Lafourche is a county inside Louisiana (FIPS code 22057) that contains 9 USPS ZIP codes covering a combined population of 90,525 according to Census ACS 5-Year Estimates. Counties are the natural bridge between state-level summaries and ZIP-level detail, crime statistics, HUD Fair Market Rents, and childcare pricing are all published at the county level, while household income and housing values are published at the ZIP level. This page reconciles the two views so you can see which ZIPs drive the county totals.

The 9 ZIPs listed below are ordered by population and each links to the full ZIP detail page with Census demographics, housing, income, home-price history, and cross-agency inputs. The most populated ZIP in Lafourche is 70301 covering Thibodaux with 43,037 residents at 58 people per square mile. Population density across ZIPs in this county varies, use the density column to spot urban cores versus rural delivery areas. A single county can contain both a dense downtown ZIP and a large rural ZIP covering several hundred square miles.

Because Lafourche uses FIPS code 22057, it joins cleanly to county-level federal datasets: HUD Fair Market Rent tables, FBI Uniform Crime Report data, and the Department of Labor National Database of Childcare Prices all key off the same code. That is how neighborhood scorecards combine ZIP-level Census demographics with county-level safety and affordability metrics. All data on this page comes from U.S. Census Bureau ACS 2023 5-Year Estimates and USPS ZIP Code Tabulation Area files, no estimates, no proprietary sources, no editorial scoring.

9

Total ZIPs

90,525

Total Population

ZIP Codes in Lafourche

Side-by-side: Compare 70301 vs 70394 →

ZIP Code City Population Density
70301 Thibodaux 43,037 58
70394 Raceland 14,328 64
70345 Cut Off 9,754 41
70373 Larose 7,141 38
70374 Lockport 7,125 56
70354 Galliano 4,931 16
70357 Golden Meadow 3,043 6
70355 Gheens 1,041 4
70375 Mathews 125 22

What are common questions about ZIP codes in this county?

What is the population of Lafourche?
Lafourche has a total population of 90,525 across 9 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Lafourche?
Lafourche includes 9 ZIP codes: 70301, 70394, 70345, 70373, 70374, 70354, 70357, 70355, 70375.
Data sources

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.