ZIP Codes of Union County, MS

Population & People
Population & People
Total Population
26,653
Household Income
Household Income
Median Income
$61,958
Housing
Housing
Total Housing Units
11,573
Business & Economy
Business & Economy
Total Businesses
537
Employment
Employment
Employment Rate
53.69%
Education
Education
Bachelor's Degree+
20.17%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:662
Timezone:Central (GMT -06:00)
Local Time:11:54:10 PM
Population:26,653 [See All]
FIPS:28145
Land Area:399 sq mi
Water Area:1 sq mi
Coordinates:34.4780, -89.0633
Quick Link:
https://www.zip-codes.com/county/ms-union.asp
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Mississippi's #33 most populous county
26,653 residents across 4 ZIPs — #33 of 82 Mississippi counties.

Standout ZIPs in this County


Most Populous
New Albany · 15,789 people
59.2% of county total
Highest Income
Blue Springs · $65,025 median
1.0× county average
Largest Land Area
New Albany · 157.8 sq mi
Spans the most ground
Fastest Growth
Myrtle · 22.7% (10-yr)
3,747 → 4,599 residents
Most Educated
Etta · 22.1% bachelor's+
230 of 1,043 adults 25+

Things worth knowing about Union County


26,653 residents live across 4 ZIPs covering 399 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 25,489 to 26,653 from 2014 to 2024 — a +4.6% change. 3 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 38828 (Blue Springs, $65,025 median) and poorest ZIP 38652 (New Albany, $54,980) are 10.7 miles apart — a 1.2× income gap across local geography.

Median home values vary 1.2× across this county — from $149,200 in 38627 (Etta) to $184,900 in 38650 (Myrtle).

Density varies across the county — from 18 people/sq mi in 38627 (Etta) to 100 in 38652 (New Albany).

Educational attainment ranges from 17.0% bachelor's+ in 38650 (Myrtle) to 22.1% in 38627 (Etta) — the breadth of educational profiles across the area.

Within Mississippi, this is the #33 most populous of 82 counties and ranks #12 for median household income .

Weighted by population, the typical household earns about $58,976 across the county — reflecting what a typical resident sees, not a simple ZIP average.

20.2% of adults age 25+ hold a bachelor's degree or higher (3,533 of 17,516 reporting).

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

All ZIP Codes in Union County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
38652New AlbanyStandard15,789$54,980157.8-1.2%
38828Blue SpringsStandard5,120$65,02594.18.5%
38650MyrtleStandard4,599$65,00082.722.7%
38627EttaStandard1,145$62,82664.510.4%

Adjacent & Nearby Counties