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US ZIP Code Profile

ZIP Code 39455
Lumberton, Mississippi

ZIP code 39455 is in Lumberton, located in Lamar County, Mississippi, within the Hattiesburg metro area. Its 2020 Census population was 9,257. The estimated median adjusted gross income per tax return is $39,894, and about 2% of filers report $200,000 or more.

2020 Population
9,257
Census ZCTA
County
Lamar
FIPS 28073
Median income (est.)
$39,894
IRS SOI 2022
Land Area
354.957 mi²
+ 1.635 mi² water

01Location & Geography

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

Primary CityLumberton, MS
CountyLamar County (FIPS 28073)
StateMississippi (FIPS 28)
Metro Area (MSA)Hattiesburg, MS Metro Area (25620)
Census Region / DivisionSouth Region · East South Central Division
Coordinates31.011868, -89.45881
Land / Water Area354.957 mi² land · 1.635 mi² water

02Income & Economics

Distribution of the 3,460 individual tax returns filed in 39455 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
33.8%
$25K–$50K
27.2%
$50K–$75K
15.0%
$75K–$100K
9.2%
$100K–$200K
12.4%
$200K+
2.3%
The $200,000+ bracket accounts for 15% of 39455's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($39,894) 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 39455's IRS income metrics, 2020–2022.

Median income (2021→2022)
$39,894
▲ 11.0%
Filers earning $200K+
2.3%
▼ 0.1 pt
Total filers
3,460
▲ 3.3%
GET /zipc/v2/zipcodes/39455/soi?year=… $34K 2020 $36K 2021 $40K 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 39455 ZCTA.

2000
7,343
 
2010
9,721
▲ +32.4%
2020
9,257
▼ -4.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number274537
City AliasesBaxterville, Carnes, Lumberton, Pistol Ridge, Seneca, Talowah, Villa Ridge, Wells Town

06Frequently Asked Questions

What county is ZIP code 39455 in?

ZIP code 39455 is in Lamar County, Mississippi (county FIPS code 28073).

What city is ZIP code 39455?

The primary USPS city for 39455 is Lumberton, MS.

What metro area (MSA) is 39455 in?

39455 is part of the Hattiesburg, MS Metro Area (MSA code 25620).

What is the population of ZIP code 39455?

The 2020 Census population of 39455 was 9,257 residents.

What is the median income in ZIP code 39455?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 39455 is about $39,894, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.