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US ZIP Code Profile

ZIP Code 70353
Dulac, Louisiana

ZIP code 70353 is in Dulac, located in Terrebonne County, Louisiana, within the Houma-Thibodaux metro area. Its 2020 Census population was 1,106. The estimated median adjusted gross income per tax return is $25,000.

2020 Population
1,106
Census ZCTA
County
Terrebonne
FIPS 22109
Median income (est.)
$25,000
IRS SOI 2022 · approx.
Land Area
21.246 mi²
+ 4.72 mi² water

01Location & Geography

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

Primary CityDulac, LA
CountyTerrebonne County (FIPS 22109)
StateLouisiana (FIPS 22)
Metro Area (MSA)Houma-Thibodaux, LA Metro Area (26380)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.358143, -90.70012
Land / Water Area21.246 mi² land · 4.72 mi² water

02Income & Economics

Distribution of the 340 individual tax returns filed in 70353 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
50.0%
$25K–$50K
23.5%
$50K–$75K
14.7%
$75K–$100K
5.9%
$100K–$200K
5.9%
$200K+
0.0%
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income. Estimate is approximate for this ZIP (median falls in the lowest bracket).

03Income Over Time

Year-over-year change in 70353's IRS income metrics, 2020–2022.

Median income (2021→2022)
$25,000
▲ 2.7%
Filers earning $200K+
0.0%
▲ 0.0 pt
Total filers
340
▼ 8.1%
GET /zipc/v2/zipcodes/70353/soi?year=… $23K 2020 $24K 2021 $25K 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 70353 ZCTA.

2000
2,328
 
2010
1,402
▼ -39.8%
2020
1,106
▼ -21.1%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number212470
City AliasesDulac

06Frequently Asked Questions

What county is ZIP code 70353 in?

ZIP code 70353 is in Terrebonne County, Louisiana (county FIPS code 22109).

What city is ZIP code 70353?

The primary USPS city for 70353 is Dulac, LA.

What metro area (MSA) is 70353 in?

70353 is part of the Houma-Thibodaux, LA Metro Area (MSA code 26380).

What is the population of ZIP code 70353?

The 2020 Census population of 70353 was 1,106 residents.

What is the median income in ZIP code 70353?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 70353 is about $25,000. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.