Oldest ZIP codes in Washington County, WI

These are the 13 ZIP codes in Washington County with the highest median age, out of 13 with at least 1,000 residents. 53033 (Hubertus, 52.2), 53095 (West Bend, 45.9) and 53012 (Cedarburg, 44.8) lead the list. There is no single "best" ZIP code in Washington 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 Washington County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
153033Hubertus52.2 ±4.76,2862,478—
253095West Bend45.9 ±1.627,81712,101—
353012Cedarburg44.8 ±1.919,1838,0028,527
453037Jackson44.3 ±3.310,2544,390—
553022Germantown44.1 ±2.620,0468,2748,639
653086Slinger44.1 ±2.49,4263,9804,042
753090West Bend42.3 ±2.021,6258,8849,345
853027Hartford41.6 ±2.423,1189,635—
953040Kewaskum39.9 ±2.18,6303,3563,157
1053021Fredonia39.9 ±3.54,5371,704—
1153076Richfield39.7 ±8.73,1091,0961,443
1253002Allenton38.1 ±6.32,584934848
1353017Colgate37.9 ±8.25,4581,868—

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; 13 of 13 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 35,245 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 53033 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 Washington County has the highest median age?
53033 (Hubertus), at 52.2 (±4.7), among 13 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.