ZIP Codes of Adams County, MS

Population & People
Population & People
Total Population
29,039
Household Income
Household Income
Median Income
$43,632
Housing
Housing
Total Housing Units
14,994
Business & Economy
Business & Economy
Total Businesses
715
Employment
Employment
Employment Rate
44.11%
Education
Education
Bachelor's Degree+
20.40%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 5 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:5 ZIP Codes (1 Standard, 4 PO Box, 0 Unique) [See All]
Area Codes:601 / 769
Timezone:Central (GMT -06:00)
Local Time:11:54:05 PM
Population:29,039 [See All]
FIPS:28001
CBSA:Natchez, MS-LA
Land Area:465 sq mi
Water Area:26 sq mi
Coordinates:31.5229, -91.3671
Quick Link:
https://www.zip-codes.com/county/ms-adams.asp
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Notable population decline
Lost 10.5% of residents since 2014.

Standout ZIPs in this County


Most Populous
Natchez · 29,039 people
100.0% of county total
Highest Income
Natchez · $43,632 median
1.0× county average
Largest Land Area
Natchez · 464.7 sq mi
Spans the most ground
Fastest Growth
Natchez · -10.5% (10-yr)
32,443 → 29,039 residents
Most Educated
Natchez · 20.4% bachelor's+
4,194 of 20,555 adults 25+

Things worth knowing about Adams County


29,039 residents live across 5 ZIPs covering 465 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 32,443 to 29,039 from 2014 to 2024 — a -10.5% change. 0 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 39120 (Natchez, $43,632 median) and poorest ZIP 39120 (Natchez, $43,632) are 0.0 miles apart — a 1.0× income gap across local geography.

Within Mississippi, this is the #29 most populous of 82 counties and ranks #63 for median household income .

Weighted by population, the typical household earns about $43,632 across the county — reflecting what a typical resident sees, not a simple ZIP average.

20.4% of adults age 25+ hold a bachelor's degree or higher (4,194 of 20,555 reporting).

1 Standard delivery, 4 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Adams County


Population decline

Adams County lost 10.5% of residents between 2014 and 2024. ZIPs that shed the largest share:

Natchez
-10.5%
32,443 → 29,039 residents

All ZIP Codes in Adams County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
39120NatchezStandard29,039$43,632464.7-10.5%
39121NatchezPO Box0.0
39122NatchezPO Box0.0
39190WashingtonPO Box0.0
39165SibleyPO Box0.0

Adjacent & Nearby Counties