Oldest ZIP codes in Summit County, UT

These are the 7 ZIP codes in Summit County with the highest median age, out of 7 with at least 1,000 residents. 84060 (Park City, 49.4), 84098 (Park City, 42.3) and 84033 (Henefer, 39.6) lead the list. There is no single "best" ZIP code in Summit 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 Summit County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
184060Park City49.4 ±4.58,6193,7643,373
284098Park City42.3 ±1.420,3577,5019,890
384033Henefer39.6 ±2.31,109342—
484036Kamas39.5 ±3.19,2413,2944,613
582930Evanston37.4 ±2.014,4355,5265,697
684017Coalville34.8 ±3.04,4171,480—
784055Oakley32.7 ±4.81,584458—

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; 7 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 20,427 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 84060 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 Summit County has the highest median age?
84060 (Park City), at 49.4 (±4.5), among 7 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.