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US ZIP Code Profile

ZIP Code 39633
Crosby, Mississippi

ZIP code 39633 is in Crosby, located in Amite County, Mississippi, within the McComb metro area. Its 2020 Census population was 836. The estimated median adjusted gross income per tax return is $34,722.

2020 Population
836
Census ZCTA
County
Amite
FIPS 28005
Median income (est.)
$34,722
IRS SOI 2022
Land Area
126.993 mi²
+ 0.708 mi² water

01Location & Geography

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

Primary CityCrosby, MS
CountyAmite County (FIPS 28005)
StateMississippi (FIPS 28)
Metro Area (MSA)McComb, MS Micro Area (32620)
Census Region / DivisionSouth Region · East South Central Division
Coordinates31.30644, -91.18065
Land / Water Area126.993 mi² land · 0.708 mi² water

02Income & Economics

Distribution of the 310 individual tax returns filed in 39633 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
38.7%
$25K–$50K
29.0%
$50K–$75K
16.1%
$75K–$100K
9.7%
$100K–$200K
6.5%
$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 39633's IRS income metrics, 2020–2022.

Median income (2021→2022)
$34,722
▲ 13.6%
Filers earning $200K+
0.0%
▲ 0.0 pt
Total filers
310
▲ 3.3%
GET /zipc/v2/zipcodes/39633/soi?year=… $31K 2020 $31K 2021 $35K 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 39633 ZCTA.

2000
1,045
 
2010
1,094
▲ +4.7%
2020
836
▼ -23.6%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number271833
City AliasesColes, Crosby, Darrington, Perrytown, Rosetta, Saukum

06Frequently Asked Questions

What county is ZIP code 39633 in?

ZIP code 39633 is in Amite County, Mississippi (county FIPS code 28005).

What city is ZIP code 39633?

The primary USPS city for 39633 is Crosby, MS.

What metro area (MSA) is 39633 in?

39633 is part of the McComb, MS Micro Area (MSA code 32620).

What is the population of ZIP code 39633?

The 2020 Census population of 39633 was 836 residents.

What is the median income in ZIP code 39633?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 39633 is about $34,722. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.