Youngest ZIP codes in Clinton County, IL

These are the 10 ZIP codes in Clinton County with the lowest median age, out of 10 with at least 1,000 residents. 62216 (Aviston, 33.1), 62293 (Trenton, 39.8) and 62265 (New Baden, 40.1) lead the list. There is no single "best" ZIP code in Clinton County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Youngest ZIP codes in Clinton County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
162216Aviston33.1 ±4.93,1561,081982
262293Trenton39.8 ±4.74,4331,817—
362265New Baden40.1 ±4.74,5551,744—
462230Breese40.2 ±8.16,3772,6122,820
562801Centralia41.8 ±1.219,8277,801—
662882Sandoval42.0 ±6.52,057860785
762218Bartelso43.3 ±2.92,018795468
862231Carlyle43.5 ±4.56,3772,808—
962215Albers44.2 ±4.21,917784—
1062245Germantown46.2 ±4.71,861793—

How we ranked them

Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 10 of 13 qualify.

Which of these to mail, and why

Younger ZIP codes skew toward renters, students and young families: fitness, quick-service food, apartments, entertainment and first-time-buyer offers.

The top five ZIP codes on this list hold 15,055 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 62216 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 Clinton County has the lowest median age?
62216 (Aviston), at 33.1 (±4.9), among 10 ZIP codes with at least 1,000 residents.
How is this ranking calculated?
Ranked by median age of all residents, lowest 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.