Which ZIP code in San Juan has the highest median age?

00907 (San Juan), at 54.2 (±2.7), among 17 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 San Juan, PR

These are the 17 ZIP codes in San Juan, PR with the highest median age, out of 17 with at least 1,000 residents. 00907 (San Juan, 54.2), 00927 (San Juan, 51.8) and 00917 (San Juan, 50.6) lead the list. There is no single "best" ZIP code in San Juan; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Oldest ZIP codes in San Juan

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	00907	San Juan	54.2 ±2.7	15,817	8,730	9,830
2	00927	San Juan	51.8 ±5.5	13,868	6,569	6,708
3	00917	San Juan	50.6 ±2.3	17,116	8,252	7,740
4	00901	San Juan	50.5 ±5.2	6,398	3,111	3,151
5	00911	San Juan	49.8 ±3.9	7,297	3,990	4,288
6	00912	San Juan	48.2 ±5.2	5,845	2,872	2,578
7	00920	San Juan	46.2 ±3.7	15,900	7,184	6,184
8	00926	San Juan	45.9 ±1.4	92,284	39,310	35,964
9	00969	Guaynabo	45.9 ±1.7	42,231	17,031	14,678
10	00918	San Juan	45.4 ±2.9	16,172	8,255	8,567
11	00915	San Juan	44.6 ±2.5	24,607	11,125	9,141
12	00925	San Juan	44.2 ±9.7	4,882	2,608	3,086
13	00909	San Juan	43.8 ±5.6	5,633	2,947	3,053
14	00923	San Juan	43.5 ±2.2	24,551	11,026	10,326
15	00921	San Juan	42.1 ±2.3	33,119	14,422	12,943
16	00924	San Juan	41.8 ±1.5	49,922	21,364	18,787
17	00913	San Juan	31.5 ±6.9	6,943	3,329	3,423

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; 17 of 18 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 30,652 households, on 36 carrier routes with 31,717 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 00907 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 San Juan has the highest median age?: 00907 (San Juan), at 54.2 (±2.7), among 17 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.