Get API Key →
US ZIP Code Profile

ZIP Code 70542
Gueydan, Louisiana

ZIP code 70542 is in Gueydan, located in Vermilion County, Louisiana, within the Lafayette metro area. Its 2020 Census population was 3,063. The estimated median adjusted gross income per tax return is $42,083, and about 3% of filers report $200,000 or more.

2020 Population
3,063
Census ZCTA
County
Vermilion
FIPS 22113
Median income (est.)
$42,083
IRS SOI 2022
Land Area
189.208 mi²
+ 7.693 mi² water

01Location & Geography

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

Primary CityGueydan, LA
CountyVermilion County (FIPS 22113)
StateLouisiana (FIPS 22)
Metro Area (MSA)Lafayette, LA Metro Area (29180)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.009678, -92.58477
Land / Water Area189.208 mi² land · 7.693 mi² water

02Income & Economics

Distribution of the 1,210 individual tax returns filed in 70542 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
33.1%
$25K–$50K
24.8%
$50K–$75K
13.2%
$75K–$100K
9.9%
$100K–$200K
15.7%
$200K+
3.3%
The $200,000+ bracket accounts for 18% of 70542's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($42,083) 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 70542's IRS income metrics, 2020–2022.

Median income (2021→2022)
$42,083
▲ 10.9%
Filers earning $200K+
3.3%
▲ 0.1 pt
Total filers
1,210
▼ 2.4%
GET /zipc/v2/zipcodes/70542/soi?year=… $38K 2020 $38K 2021 $42K 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 70542 ZCTA.

2000
3,662
 
2010
3,435
▼ -6.2%
2020
3,063
▼ -10.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number213887
City AliasesGueydan

06Frequently Asked Questions

What county is ZIP code 70542 in?

ZIP code 70542 is in Vermilion County, Louisiana (county FIPS code 22113).

What city is ZIP code 70542?

The primary USPS city for 70542 is Gueydan, LA.

What metro area (MSA) is 70542 in?

70542 is part of the Lafayette, LA Metro Area (MSA code 29180).

What is the population of ZIP code 70542?

The 2020 Census population of 70542 was 3,063 residents.

What is the median income in ZIP code 70542?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 70542 is about $42,083, with around 3% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.