Which ZIP code in Trenton has the highest median age?

08690 (Trenton), at 47.0 (±3.8), among 11 ZIP codes with at least 1,000 residents.

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.

Oldest ZIP codes in Trenton, NJ

These are the 11 ZIP codes in Trenton, NJ with the highest median age, out of 11 with at least 1,000 residents. 08690 (Trenton, 47.0), 08628 (Trenton, 45.0) and 08620 (Trenton, 42.7) lead the list. There is no single "best" ZIP code in Trenton; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Oldest ZIP codes in Trenton

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	08690	Trenton	47.0 ±3.8	18,841	7,731	8,114
2	08628	Trenton	45.0 ±2.9	9,831	4,468	5,271
3	08620	Trenton	42.7 ±6.1	11,621	4,187	4,647
4	08619	Trenton	42.4 ±3.4	24,089	9,924	10,011
5	08610	Trenton	38.9 ±1.8	33,465	12,315	12,123
6	08638	Trenton	35.9 ±2.8	22,816	9,045	9,709
7	08618	Trenton	35.0 ±3.2	35,634	13,477	14,571
8	08611	Trenton	34.6 ±2.6	31,995	10,716	9,099
9	08609	Trenton	33.4 ±2.1	15,938	4,880	5,122
10	08629	Trenton	33.3 ±3.4	13,013	4,296	4,109
11	08608	Trenton	31.4 ±7.3	1,250	653	780

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; 11 of 11 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 38,625 households, on 71 carrier routes with 40,166 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 08690 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 Trenton has the highest median age?: 08690 (Trenton), at 47.0 (±3.8), among 11 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.