ZIP Codes of Covington County, MS

Population & People
Population & People
Total Population
20,229
Household Income
Household Income
Median Income
$47,886
Housing
Housing
Total Housing Units
9,277
Business & Economy
Business & Economy
Total Businesses
327
Employment
Employment
Employment Rate
53.83%
Education
Education
Bachelor's Degree+
18.01%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:3 ZIP Codes (3 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:601 / 769
Timezone:Central (GMT -06:00)
Local Time:2:12:48 PM
Population:20,229 [See All]
FIPS:28031
Land Area:437 sq mi
Water Area:1 sq mi
Coordinates:31.6514, -89.5610
Quick Link:
https://www.zip-codes.com/county/ms-covington.asp
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Among America's 50 most Hispanic-majority counties
0.3% Hispanic or Latino — #43 nationwide.

Standout ZIPs in this County


Most Populous
Collins · 8,977 people
44.4% of county total
Highest Income
Mount Olive · $49,766 median
1.0× county average
Largest Land Area
Collins · 177.2 sq mi
Spans the most ground
Fastest Growth
Seminary · 3.4% (10-yr)
5,331 → 5,513 residents
Most Educated
Mount Olive · 19.7% bachelor's+
673 of 3,417 adults 25+

Things worth knowing about Covington County


20,229 residents live across 3 ZIPs covering 437 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 21,028 to 20,229 from 2014 to 2024 — a -3.8% change. 1 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 39119 (Mount Olive, $49,766 median) and poorest ZIP 39428 (Collins, $46,466) are 10.9 miles apart — a 1.1× income gap across local geography.

Median home values vary 1.9× across this county — from $72,600 in 39119 (Mount Olive) to $136,200 in 39479 (Seminary).

Density varies across the county — from 41 people/sq mi in 39119 (Mount Olive) to 51 in 39428 (Collins).

Educational attainment ranges from 15.7% bachelor's+ in 39479 (Seminary) to 19.7% in 39119 (Mount Olive) — the breadth of educational profiles across the area.

Within Mississippi, this is the #46 most populous of 82 counties and ranks #50 for median household income .

Weighted by population, the typical household earns about $47,664 across the county — reflecting what a typical resident sees, not a simple ZIP average.

18.0% of adults age 25+ hold a bachelor's degree or higher (2,396 of 13,304 reporting).

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

All ZIP Codes in Covington County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
39428CollinsStandard8,977$46,466177.2-4.0%
39119Mount OliveStandard5,739$49,766141.6-9.6%
39479SeminaryStandard5,513$47,426118.43.4%

Adjacent & Nearby Counties