Youngest ZIP codes in Columbia County, WI

These are the 15 ZIP codes in Columbia County with the lowest median age, out of 15 with at least 1,000 residents. 53926 (Dalton, 25.9), 53911 (Arlington, 36.8) and 53956 (Randolph, 38.7) lead the list. There is no single "best" ZIP code in Columbia 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 Columbia County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
153926Dalton25.9 ±3.31,951595498
253911Arlington36.8 ±2.91,450546—
353956Randolph38.7 ±3.73,4771,3161,375
453923Cambria39.4 ±3.72,295842—
553932Fall River39.5 ±1.42,4959591,174
653532Deforest40.2 ±1.816,5146,3877,739
753925Columbus41.0 ±1.88,7543,609—
853901Portage41.7 ±1.814,2915,799—
953578Prairie Du Sac42.6 ±3.46,5032,6692,737
1053954Pardeeville44.3 ±1.26,6782,5802,983
1153955Poynette44.7 ±1.56,1252,577—
1253960Rio44.8 ±2.73,3961,4311,322
1353561Merrimac47.3 ±4.41,872815—
1453965Wisconsin Dells47.5 ±3.710,8184,826—
1553555Lodi50.4 ±3.08,9333,890—

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; 15 of 18 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 4,258 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 53926 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 Columbia County has the lowest median age?
53926 (Dalton), at 25.9 (±3.3), among 15 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.