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

95135 (San Jose), at 53.1 (±2.0), among 31 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 Jose, CA

These are the 25 ZIP codes in San Jose, CA with the highest median age, out of 31 with at least 1,000 residents. 95135 (San Jose, 53.1), 95002 (Alviso, 48.2) and 95120 (San Jose, 47.5) lead the list. There is no single "best" ZIP code in San Jose; 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 Jose

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	95135	San Jose	53.1 ±2.0	20,129	7,515	7,571
2	95002	Alviso	48.2 ±5.6	1,542	521	—
3	95120	San Jose	47.5 ±0.9	36,967	12,660	12,916
4	95121	San Jose	42.8 ±1.5	36,463	9,828	9,796
5	95132	San Jose	41.9 ±1.4	40,334	12,068	12,018
6	95148	San Jose	41.1 ±1.7	44,995	12,110	11,718
7	95125	San Jose	41.0 ±1.2	54,419	20,779	21,658
8	95129	San Jose	40.9 ±1.1	41,321	14,105	14,660
9	95119	San Jose	40.0 ±1.6	10,841	3,649	3,852
10	95124	San Jose	39.7 ±1.2	52,096	17,586	17,617
11	95008	Campbell	39.7 ±1.2	48,333	19,052	20,338
12	95118	San Jose	39.5 ±1.5	32,015	11,404	11,866
13	95139	San Jose	39.5 ±1.4	7,035	2,174	2,224
14	95128	San Jose	39.3 ±1.0	33,165	13,805	16,130
15	95037	Morgan Hill	39.2 ±1.4	51,943	16,742	18,928
16	95138	San Jose	38.9 ±1.4	18,960	5,580	6,039
17	95127	San Jose	38.7 ±0.8	58,825	15,230	16,114
18	95130	San Jose	38.4 ±2.8	13,511	4,750	4,932
19	95133	San Jose	38.1 ±1.4	29,710	9,309	9,691
20	95123	San Jose	38.0 ±0.8	69,677	24,377	25,028
21	95111	San Jose	37.8 ±1.3	57,202	15,578	16,167
22	95131	San Jose	37.7 ±1.3	31,179	9,976	9,923
23	95116	San Jose	37.5 ±0.9	48,042	13,394	13,791
24	95117	San Jose	37.2 ±2.7	26,953	10,422	11,247
25	95122	San Jose	37.0 ±1.3	50,775	11,829	12,724

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; 31 of 32 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 42,592 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 95135 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

Map it and price it

EDDM guides

Frequently asked questions

Which ZIP code in San Jose has the highest median age?: 95135 (San Jose), at 53.1 (±2.0), among 31 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.