Oldest ZIP codes in New Haven, CT
These are the 6 ZIP codes in New Haven, CT with the highest median age, out of 6 with at least 1,000 residents. 06512 (East Haven, 46.3), 06513 (New Haven, 38.1) and 06519 (New Haven, 33.5) lead the list. There is no single "best" ZIP code in New Haven; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.
Oldest ZIP codes in New Haven
| Rank | ZIP | Mailing city | Median age | Residents | Households | Residential mailboxes |
|---|---|---|---|---|---|---|
| 1 | 06512 | East Haven | 46.3 ±2.1 | 28,830 | 12,083 | 12,708 |
| 2 | 06513 | New Haven | 38.1 ±1.9 | 38,888 | 15,914 | 14,300 |
| 3 | 06519 | New Haven | 33.5 ±1.5 | 15,605 | 5,930 | 6,089 |
| 4 | 06515 | New Haven | 30.7 ±1.4 | 19,006 | 7,012 | 6,787 |
| 5 | 06511 | New Haven | 29.8 ±0.5 | 54,730 | 22,586 | 23,755 |
| 6 | 06510 | New Haven | 26.4 ±1.2 | 4,584 | 2,542 | 3,547 |
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; 6 of 6 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 63,525 households, on 109 carrier routes with 63,639 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.
Open 06512 on the EDDM route map
More rankings
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- ZIP codes with the highest home values in New Haven
- ZIP codes with the highest homeownership in New Haven
- ZIP codes with the most families with kids in New Haven
- ZIP codes with the most new movers in New Haven
- Youngest ZIP codes in New Haven
- Fastest-growing ZIP codes in New Haven
- Oldest ZIP codes in New Haven County
- All New Haven ZIP codes
Businesses that mail these ZIP codes
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EDDM guides
Frequently asked questions
- Which ZIP code in New Haven has the highest median age?
- 06512 (East Haven), at 46.3 (±2.1), among 6 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.