Get API Key →
US ZIP Code Profile

ZIP Code 38643
Lambert, Mississippi

ZIP code 38643 is in Lambert, located in Quitman County, Mississippi. Its 2020 Census population was 1,948. The estimated median adjusted gross income per tax return is $27,174.

2020 Population
1,948
Census ZCTA
County
Quitman
FIPS 28119
Median income (est.)
$27,174
IRS SOI 2022
Land Area
166.75 mi²
+ 1.329 mi² water

01Location & Geography

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

Primary CityLambert, MS
CountyQuitman County (FIPS 28119)
StateMississippi (FIPS 28)
Census Region / DivisionSouth Region · East South Central Division
Coordinates34.148487, -90.260864
Land / Water Area166.75 mi² land · 1.329 mi² water

02Income & Economics

Distribution of the 680 individual tax returns filed in 38643 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
47.1%
$25K–$50K
33.8%
$50K–$75K
10.3%
$75K–$100K
4.4%
$100K–$200K
4.4%
$200K+
0.0%
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 38643's IRS income metrics, 2020–2022.

Median income (2021→2022)
$27,174
▲ 14.7%
Filers earning $200K+
0.0%
▲ 0.0 pt
Total filers
680
▼ 5.6%
GET /zipc/v2/zipcodes/38643/soi?year=… $23K 2020 $24K 2021 $27K 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 38643 ZCTA.

2000
3,074
 
2010
2,619
▼ -14.8%
2020
1,948
▼ -25.6%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number274082
City AliasesLambert

06Frequently Asked Questions

What county is ZIP code 38643 in?

ZIP code 38643 is in Quitman County, Mississippi (county FIPS code 28119).

What city is ZIP code 38643?

The primary USPS city for 38643 is Lambert, MS.

What is the population of ZIP code 38643?

The 2020 Census population of 38643 was 1,948 residents.

What is the median income in ZIP code 38643?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 38643 is about $27,174. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.