Which ZIP code in Santa Clara County has the lowest median age?

95053 (Santa Clara), at 19.7 (±0.3), among 60 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.

Youngest ZIP codes in Santa Clara County, CA

These are the 25 ZIP codes in Santa Clara County with the lowest median age, out of 60 with at least 1,000 residents. 95053 (Santa Clara, 19.7), 94305 (Stanford, 21.9) and 95113 (San Jose, 30.6) lead the list. There is no single "best" ZIP code in Santa Clara County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Youngest ZIP codes in Santa Clara County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	95053	Santa Clara	19.7 ±0.3	3,049	42	—
2	94305	Stanford	21.9 ±0.8	18,509	3,264	4,457
3	95113	San Jose	30.6 ±2.5	2,640	1,421	2,053
4	95134	San Jose	31.3 ±0.6	30,471	14,050	14,010
5	95112	San Jose	31.9 ±0.9	57,373	21,574	23,926
6	94085	Sunnyvale	33.0 ±0.7	24,024	9,631	10,920
7	94086	Sunnyvale	33.5 ±0.7	49,746	20,832	23,050
8	94041	Mountain View	34.1 ±1.2	16,050	6,960	7,700
9	95054	Santa Clara	34.2 ±0.7	25,704	9,963	12,388
10	95126	San Jose	34.9 ±1.0	38,327	16,187	17,763
11	95051	Santa Clara	35.0 ±0.6	62,054	24,240	25,698
12	95110	San Jose	35.3 ±0.9	19,963	6,791	8,654
13	95023	Hollister	35.6 ±0.3	59,889	17,897	19,332
14	94040	Mountain View	35.6 ±1.1	35,632	15,754	17,797
15	94043	Mountain View	36.1 ±1.3	33,176	13,369	15,720
16	95050	Santa Clara	36.2 ±1.1	39,834	15,831	17,032
17	95035	Milpitas	36.8 ±0.8	78,810	25,124	27,944
18	95122	San Jose	37.0 ±1.3	50,775	11,829	12,724
19	95136	San Jose	37.0 ±1.2	48,056	16,306	16,752
20	94089	Sunnyvale	37.0 ±2.3	22,699	9,218	9,310
21	95117	San Jose	37.2 ±2.7	26,953	10,422	11,247
22	95116	San Jose	37.5 ±0.9	48,042	13,394	13,791
23	95020	Gilroy	37.6 ±0.8	67,181	19,984	21,334
24	95131	San Jose	37.7 ±1.3	31,179	9,976	9,923
25	95111	San Jose	37.8 ±1.3	57,202	15,578	16,167

How we ranked them

Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 60 of 62 qualify.

Which of these to mail, and why

Younger ZIP codes skew toward renters, students and young families: fitness, quick-service food, apartments, entertainment and first-time-buyer offers.

The top five ZIP codes on this list hold 40,351 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 95053 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 Santa Clara County has the lowest median age?: 95053 (Santa Clara), at 19.7 (±0.3), among 60 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median age of all residents, lowest 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.