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City ZIP codes · Louisiana

Thibodaux, LA ZIP Codes

3 ZIP codes use the postal name Thibodaux, Louisiana (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Thibodaux's most populous ZIP code is 70301, with 50,095 people (ACS 2020-2024); 2% of its land is in the city of Thibodaux.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Thibodaux's ZIP codes?

70301: $58k median household income70310: – median household income7030170301: $58k median household income70310: – median household income7030170301: $58k median household income70310: – median household income70301
The 2 residential ZIP codes named Thibodaux, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

All 2 residential ZIP codes of Thibodaux

Residential ZIP codes with the postal name Thibodaux, LA, largest first (ACS 2020-2024); sort by any column
County
70301 Lafourche Parish 50,095 177 $58k $218k
70310 Lafourche Parish 327 1,730 – –

Download the 3 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Thibodaux

1 ZIP code named Thibodaux has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Thibodaux, LA: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
70302Lafourche Parish

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Thibodaux's ZIP codes reach?

Thibodaux's residential ZIP codes lie in 2 counties: Lafourche Parish (2 ZIP codes mainly there), Assumption Parish (part of a ZIP code).

Which places do Thibodaux's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Thibodaux's residential ZIP codes cover Thibodaux itself and 5 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Bayou Country Club census-designated 70301
  • Chackbay census-designated 70301
  • Choctaw census-designated 70301
  • Kraemer census-designated 70301
  • Lafourche Crossing census-designated 70301

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Thibodaux's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Thibodaux starts with 703.

Three-digit prefixes of Thibodaux's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Thibodaux's
PrefixSectional centerHereAll codes
703 New Orleans, LA (SCF 700) 3 38

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.