Oldest ZIP codes in Union County, MS

These are the 9 ZIP codes in Union County with the highest median age, out of 9 with at least 1,000 residents. 38627 (Etta, 56.6), 38633 (Hickory Flat, 40.5) and 38824 (Baldwyn, 40.4) lead the list. There is no single "best" ZIP code in Union County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Oldest ZIP codes in Union County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
138627Etta56.6 ±6.01,145590565
238633Hickory Flat40.5 ±5.12,2121,017—
338824Baldwyn40.4 ±4.58,2443,2503,480
438610Blue Mountain39.9 ±6.23,1219591,488
538650Myrtle39.3 ±5.14,5991,4581,712
638652New Albany38.6 ±1.815,7895,7557,298
738625Dumas37.5 ±17.41,261421504
838849Guntown36.9 ±4.65,7922,0942,566
938828Blue Springs32.2 ±2.75,1201,4302,196

How we ranked them

Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 9 of 9 qualify.

Which of these to mail, and why

Older ZIP codes respond to health care, hearing and vision, Medicare plans, home safety, estate planning and services that come to the door.

The top five ZIP codes on this list hold 7,274 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 38627 on the EDDM route map

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Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Union County has the highest median age?
38627 (Etta), at 56.6 (±6.0), among 9 ZIP codes with at least 1,000 residents.
How is this ranking calculated?
Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024).
Why are some ZIP codes missing?
ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.