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US ZIP Code Profile

ZIP Code 39429
Columbia, Mississippi

ZIP code 39429 is in Columbia, located in Marion County, Mississippi. Its 2020 Census population was 16,073. The estimated median adjusted gross income per tax return is $36,875, and about 3% of filers report $200,000 or more.

2020 Population
16,073
Census ZCTA
County
Marion
FIPS 28091
Median income (est.)
$36,875
IRS SOI 2022
Land Area
305.434 mi²
+ 3.739 mi² water

01Location & Geography

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

Primary CityColumbia, MS
CountyMarion County (FIPS 28091)
StateMississippi (FIPS 28)
Census Region / DivisionSouth Region · East South Central Division
Coordinates31.239384, -89.76317
Land / Water Area305.434 mi² land · 3.739 mi² water

02Income & Economics

Distribution of the 6,140 individual tax returns filed in 39429 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
37.6%
$25K–$50K
26.1%
$50K–$75K
12.9%
$75K–$100K
7.5%
$100K–$200K
12.7%
$200K+
3.3%
The $200,000+ bracket accounts for 21% of 39429's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($36,875) 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 39429's IRS income metrics, 2020–2022.

Median income (2021→2022)
$36,875
▲ 10.1%
Filers earning $200K+
3.3%
▲ 0.5 pt
Total filers
6,140
▼ 0.6%
GET /zipc/v2/zipcodes/39429/soi?year=… $31K 2020 $33K 2021 $37K 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 39429 ZCTA.

2000
17,281
 
2010
17,657
▲ +2.2%
2020
16,073
▼ -9.0%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number271677
City AliasesColumbia

06Frequently Asked Questions

What county is ZIP code 39429 in?

ZIP code 39429 is in Marion County, Mississippi (county FIPS code 28091).

What city is ZIP code 39429?

The primary USPS city for 39429 is Columbia, MS.

What is the population of ZIP code 39429?

The 2020 Census population of 39429 was 16,073 residents.

What is the median income in ZIP code 39429?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 39429 is about $36,875, 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.