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US ZIP Code Profile

ZIP Code 70301
Thibodaux, Louisiana

ZIP code 70301 is in Thibodaux, located in Lafourche County, Louisiana, within the Houma-Thibodaux metro area. Its 2020 Census population was 46,661. The estimated median adjusted gross income per tax return is $47,199, and about 6% of filers report $200,000 or more.

2020 Population
46,661
Census ZCTA
County
Lafourche
FIPS 22057
Median income (est.)
$47,199
IRS SOI 2022
Land Area
287.488 mi²
+ 7.504 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityThibodaux, LA
CountyLafourche County (FIPS 22057)
StateLouisiana (FIPS 22)
Metro Area (MSA)Houma-Thibodaux, LA Metro Area (26380)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.808329, -90.75027
Land / Water Area287.488 mi² land · 7.504 mi² water

02Income & Economics

Distribution of the 19,330 individual tax returns filed in 70301 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
30.5%
$25K–$50K
21.9%
$50K–$75K
13.8%
$75K–$100K
9.9%
$100K–$200K
17.8%
$200K+
5.9%
The $200,000+ bracket accounts for 36% of 70301's total adjusted gross income, from 6% of returns — a concentration that drives the gap between the median ($47,199) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 70301's IRS income metrics, 2020–2022.

Median income (2021→2022)
$47,199
▲ 6.1%
Filers earning $200K+
5.9%
▲ 0.5 pt
Total filers
19,330
▼ 0.8%
GET /zipc/v2/zipcodes/70301/soi?year=… $42K 2020 $44K 2021 $47K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 70301 ZCTA.

2000
39,805
 
2010
43,037
▲ +8.1%
2020
46,661
▲ +8.4%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number218580
City AliasesThibodaux

06Frequently Asked Questions

What county is ZIP code 70301 in?

ZIP code 70301 is in Lafourche County, Louisiana (county FIPS code 22057).

What city is ZIP code 70301?

The primary USPS city for 70301 is Thibodaux, LA.

What metro area (MSA) is 70301 in?

70301 is part of the Houma-Thibodaux, LA Metro Area (MSA code 26380).

What is the population of ZIP code 70301?

The 2020 Census population of 70301 was 46,661 residents.

What is the median income in ZIP code 70301?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 70301 is about $47,199, with around 6% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.