Oldest ZIP codes in Green Bay, WI
These are the 7 ZIP codes in Green Bay, WI with the highest median age, out of 7 with at least 1,000 residents. 54313 (Green Bay, 42.4), 54301 (Green Bay, 40.6) and 54311 (Green Bay, 38.3) lead the list. There is no single "best" ZIP code in Green Bay; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.
Oldest ZIP codes in Green Bay
| Rank | ZIP | Mailing city | Median age | Residents | Households | Residential mailboxes |
|---|---|---|---|---|---|---|
| 1 | 54313 | Green Bay | 42.4 ±1.4 | 41,422 | 16,039 | — |
| 2 | 54301 | Green Bay | 40.6 ±1.7 | 21,724 | 9,892 | — |
| 3 | 54311 | Green Bay | 38.3 ±1.8 | 37,879 | 14,618 | — |
| 4 | 54304 | Green Bay | 37.6 ±2.2 | 28,502 | 12,750 | 13,373 |
| 5 | 54303 | Green Bay | 35.6 ±1.3 | 28,153 | 12,626 | — |
| 6 | 54307 | Green Bay | 34.6 ±2.5 | 1,128 | 0 | — |
| 7 | 54302 | Green Bay | 33.8 ±2.3 | 30,333 | 12,792 | 13,308 |
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 7 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 65,925 households. Open any of them on the route map to see each carrier route's own figures before you choose.
Open 54313 on the EDDM route map
More rankings
- Richest ZIP codes in Green Bay
- ZIP codes with the highest home values in Green Bay
- ZIP codes with the highest homeownership in Green Bay
- ZIP codes with the most families with kids in Green Bay
- ZIP codes with the most new movers in Green Bay
- Youngest ZIP codes in Green Bay
- Fastest-growing ZIP codes in Green Bay
- Oldest ZIP codes in Brown County
- All Green Bay ZIP codes
Businesses that mail these ZIP codes
Map it and price it
EDDM guides
Frequently asked questions
- Which ZIP code in Green Bay has the highest median age?
- 54313 (Green Bay), at 42.4 (±1.4), 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.