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US ZIP Code Profile

ZIP Code 39643
Kokomo, Mississippi

ZIP code 39643 is in Kokomo, located in Marion County, Mississippi. Its 2020 Census population was 1,354. The estimated median adjusted gross income per tax return is $34,375.

2020 Population
1,354
Census ZCTA
County
Marion
FIPS 28091
Median income (est.)
$34,375
IRS SOI 2022
Land Area
32.116 mi²
+ 0.006 mi² water

01Location & Geography

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

Primary CityKokomo, MS
CountyMarion County (FIPS 28091)
StateMississippi (FIPS 28)
Census Region / DivisionSouth Region · East South Central Division
Coordinates31.24655, -90.01426
Land / Water Area32.116 mi² land · 0.006 mi² water

02Income & Economics

Distribution of the 510 individual tax returns filed in 39643 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
41.2%
$25K–$50K
23.5%
$50K–$75K
13.7%
$75K–$100K
7.8%
$100K–$200K
13.7%
$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 39643's IRS income metrics, 2020–2022.

Median income (2021→2022)
$34,375
▲ 16.7%
Filers earning $200K+
0.0%
▲ 0.0 pt
Total filers
510
▲ 0.0%
GET /zipc/v2/zipcodes/39643/soi?year=… $27K 2020 $29K 2021 $34K 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 39643 ZCTA.

2000
1,203
 
2010
1,102
▼ -8.4%
2020
1,354
▲ +22.9%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number273939
City AliasesDarbun, Kokomo

06Frequently Asked Questions

What county is ZIP code 39643 in?

ZIP code 39643 is in Marion County, Mississippi (county FIPS code 28091).

What city is ZIP code 39643?

The primary USPS city for 39643 is Kokomo, MS.

What is the population of ZIP code 39643?

The 2020 Census population of 39643 was 1,354 residents.

What is the median income in ZIP code 39643?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 39643 is about $34,375. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.