Oldest ZIP codes in Millcreek, UT
These are the 5 ZIP codes in Millcreek, UT with the highest median age, out of 5 with at least 1,000 residents. 84117 (Salt Lake City, 40.9), 84124 (Salt Lake City, 39.8) and 84109 (Salt Lake City, 36.2) lead the list. There is no single "best" ZIP code in Millcreek; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.
Oldest ZIP codes in Millcreek
| Rank | ZIP | Mailing city | Median age | Residents | Households | Residential mailboxes |
|---|---|---|---|---|---|---|
| 1 | 84117 | Salt Lake City | 40.9 ±2.2 | 24,980 | 10,702 | — |
| 2 | 84124 | Salt Lake City | 39.8 ±1.2 | 22,609 | 8,442 | 8,450 |
| 3 | 84109 | Salt Lake City | 36.2 ±1.6 | 25,544 | 8,973 | — |
| 4 | 84107 | Salt Lake City | 35.7 ±1.7 | 38,257 | 16,669 | — |
| 5 | 84106 | Salt Lake City | 35.4 ±0.9 | 35,213 | 15,950 | 17,712 |
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; 5 of 5 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 60,736 households. Open any of them on the route map to see each carrier route's own figures before you choose.
Open 84117 on the EDDM route map
More rankings
- Richest ZIP codes in Millcreek
- ZIP codes with the highest home values in Millcreek
- ZIP codes with the highest homeownership in Millcreek
- ZIP codes with the most families with kids in Millcreek
- ZIP codes with the most new movers in Millcreek
- Youngest ZIP codes in Millcreek
- Fastest-growing ZIP codes in Millcreek
- Oldest ZIP codes in Salt Lake County
- All Millcreek ZIP codes
Businesses that mail these ZIP codes
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Frequently asked questions
- Which ZIP code in Millcreek has the highest median age?
- 84117 (Salt Lake City), at 40.9 (±2.2), among 5 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.