Youngest ZIP codes in Oneida County, WI

These are the 11 ZIP codes in Oneida County with the lowest median age, out of 11 with at least 1,000 residents. 54538 (Lac Du Flambeau, 44.0), 54501 (Rhinelander, 46.7) and 54568 (Woodruff, 52.3) lead the list. There is no single "best" ZIP code in Oneida 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 Oneida County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
154538Lac Du Flambeau44.0 ±2.63,0251,2581,050
254501Rhinelander46.7 ±1.921,4059,373—
354568Woodruff52.3 ±6.84,8542,1962,757
454487Tomahawk54.0 ±2.19,5624,421—
554529Harshaw54.5 ±6.71,220490—
654521Eagle River55.7 ±2.38,5514,020—
754548Minocqua56.6 ±2.45,6762,8943,482
854539Lake Tomahawk56.7 ±3.21,356599—
954558Saint Germain58.1 ±4.12,2621,252882
1054531Hazelhurst59.7 ±3.31,385620—
1154562Three Lakes60.2 ±4.62,0389841,387

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; 11 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 17,738 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 54538 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

Map it and price it

EDDM guides

Frequently asked questions

Which ZIP code in Oneida County has the lowest median age?
54538 (Lac Du Flambeau), at 44.0 (±2.6), among 11 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.