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US ZIP Code Profile

ZIP Code 70529
Duson, Louisiana

ZIP code 70529 is in Duson, located in Lafayette County, Louisiana, within the Lafayette metro area. Its 2020 Census population was 11,842. The estimated median adjusted gross income per tax return is $37,868, and about 3% of filers report $200,000 or more.

2020 Population
11,842
Census ZCTA
County
Lafayette
FIPS 22055
Median income (est.)
$37,868
IRS SOI 2022
Land Area
35.499 mi²
+ 0.018 mi² water

01Location & Geography

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

Primary CityDuson, LA
CountyLafayette County (FIPS 22055)
StateLouisiana (FIPS 22)
Metro Area (MSA)Lafayette, LA Metro Area (29180)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.202278, -92.16158
Land / Water Area35.499 mi² land · 0.018 mi² water

02Income & Economics

Distribution of the 5,160 individual tax returns filed in 70529 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
36.4%
$25K–$50K
26.4%
$50K–$75K
13.8%
$75K–$100K
8.3%
$100K–$200K
12.2%
$200K+
2.9%
The $200,000+ bracket accounts for 16% of 70529's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($37,868) 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 70529's IRS income metrics, 2020–2022.

Median income (2021→2022)
$37,868
▲ 8.5%
Filers earning $200K+
2.9%
▲ 0.6 pt
Total filers
5,160
▲ 0.2%
GET /zipc/v2/zipcodes/70529/soi?year=… $34K 2020 $35K 2021 $38K 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 70529 ZCTA.

2000
9,430
 
2010
11,752
▲ +24.6%
2020
11,842
▲ +0.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number212522
City AliasesDuson

06Frequently Asked Questions

What county is ZIP code 70529 in?

ZIP code 70529 is in Lafayette County, Louisiana (county FIPS code 22055).

What city is ZIP code 70529?

The primary USPS city for 70529 is Duson, LA.

What metro area (MSA) is 70529 in?

70529 is part of the Lafayette, LA Metro Area (MSA code 29180).

What is the population of ZIP code 70529?

The 2020 Census population of 70529 was 11,842 residents.

What is the median income in ZIP code 70529?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 70529 is about $37,868, 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.