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US ZIP Code Profile

ZIP Code 71450
Marthaville, Louisiana

ZIP code 71450 is in Marthaville, located in Natchitoches County, Louisiana, within the Natchitoches metro area. Its 2020 Census population was 929. The estimated median adjusted gross income per tax return is $50,000, and about 8% of filers report $200,000 or more.

2020 Population
929
Census ZCTA
County
Natchitoches
FIPS 22069
Median income (est.)
$50,000
IRS SOI 2022
Land Area
63.999 mi²
+ 0.209 mi² water

01Location & Geography

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

Primary CityMarthaville, LA
CountyNatchitoches County (FIPS 22069)
StateLouisiana (FIPS 22)
Metro Area (MSA)Natchitoches, LA Micro Area (35060)
Census Region / DivisionSouth Region · West South Central Division
Coordinates31.777653, -93.415276
Land / Water Area63.999 mi² land · 0.209 mi² water

02Income & Economics

Distribution of the 380 individual tax returns filed in 71450 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.9%
$25K–$50K
21.1%
$50K–$75K
13.2%
$75K–$100K
13.2%
$100K–$200K
15.8%
$200K+
7.9%
The $200,000+ bracket accounts for 58% of 71450's total adjusted gross income, from 8% of returns — a concentration that drives the gap between the median ($50,000) 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 71450's IRS income metrics, 2020–2022.

Median income (2021→2022)
$50,000
▲ 9.1%
Filers earning $200K+
7.9%
▲ 7.9 pt
Total filers
380
▼ 2.6%
GET /zipc/v2/zipcodes/71450/soi?year=… $40K 2020 $46K 2021 $50K 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 71450 ZCTA.

2000
1,164
 
2010
1,070
▼ -8.1%
2020
929
▼ -13.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number215876
City AliasesAjax, Bethel, Boline, Little Egypt, Marthaville

06Frequently Asked Questions

What county is ZIP code 71450 in?

ZIP code 71450 is in Natchitoches County, Louisiana (county FIPS code 22069).

What city is ZIP code 71450?

The primary USPS city for 71450 is Marthaville, LA.

What metro area (MSA) is 71450 in?

71450 is part of the Natchitoches, LA Micro Area (MSA code 35060).

What is the population of ZIP code 71450?

The 2020 Census population of 71450 was 929 residents.

What is the median income in ZIP code 71450?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 71450 is about $50,000, with around 8% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.