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US ZIP Code Profile

ZIP Code 71366
Saint Joseph, Louisiana

ZIP code 71366 is in Saint Joseph, located in Tensas County, Louisiana. Its 2020 Census population was 1,579. The estimated median adjusted gross income per tax return is $33,333, and about 6% of filers report $200,000 or more.

2020 Population
1,579
Census ZCTA
County
Tensas
FIPS 22107
Median income (est.)
$33,333
IRS SOI 2022
Land Area
163.735 mi²
+ 14.29 mi² water

01Location & Geography

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

Primary CitySaint Joseph, LA
CountyTensas County (FIPS 22107)
StateLouisiana (FIPS 22)
Census Region / DivisionSouth Region · West South Central Division
Coordinates31.937216, -91.33706
Land / Water Area163.735 mi² land · 14.29 mi² water

02Income & Economics

Distribution of the 660 individual tax returns filed in 71366 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
40.9%
$25K–$50K
27.3%
$50K–$75K
10.6%
$75K–$100K
6.1%
$100K–$200K
9.1%
$200K+
6.1%
The $200,000+ bracket accounts for 37% of 71366's total adjusted gross income, from 6% of returns — a concentration that drives the gap between the median ($33,333) 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 71366's IRS income metrics, 2020–2022.

Median income (2021→2022)
$33,333
▲ 6.7%
Filers earning $200K+
6.1%
▲ 1.3 pt
Total filers
660
▲ 4.8%
GET /zipc/v2/zipcodes/71366/soi?year=… $31K 2020 $31K 2021 $33K 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 71366 ZCTA.

2000
2,241
 
2010
1,974
▼ -11.9%
2020
1,579
▼ -20.0%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number217813
City AliasesLocust Ridge, Mayflower, Saint Joseph, Saranac, St Joseph, Wilsona

06Frequently Asked Questions

What county is ZIP code 71366 in?

ZIP code 71366 is in Tensas County, Louisiana (county FIPS code 22107).

What city is ZIP code 71366?

The primary USPS city for 71366 is Saint Joseph, LA.

What is the population of ZIP code 71366?

The 2020 Census population of 71366 was 1,579 residents.

What is the median income in ZIP code 71366?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 71366 is about $33,333, 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.