Which ZIP code in San Diego has the lowest median age?

92093 (La Jolla), at 19.5 (±0.1), among 40 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 San Diego, CA

These are the 25 ZIP codes in San Diego, CA with the lowest median age, out of 40 with at least 1,000 residents. 92093 (La Jolla, 19.5), 92140 (San Diego, 20.5) and 92145 (San Diego, 21.6) lead the list. There is no single "best" ZIP code in San Diego; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Youngest ZIP codes in San Diego

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	92093	La Jolla	19.5 ±0.1	7,167	0	—
2	92140	San Diego	20.5 ±1.2	2,038	0	—
3	92145	San Diego	21.6 ±0.4	2,349	0	—
4	92136	San Diego	23.7 ±0.7	4,573	15	—
5	92115	San Diego	28.8 ±0.8	66,264	22,528	23,678
6	92122	San Diego	31.7 ±1.0	45,411	19,927	21,973
7	92121	San Diego	32.7 ±2.2	3,974	1,575	1,834
8	92124	San Diego	33.0 ±1.6	30,474	11,332	11,420
9	92113	San Diego	33.2 ±1.7	48,215	13,545	13,874
10	92109	San Diego	33.4 ±0.9	44,820	22,646	25,019
11	92108	San Diego	33.5 ±1.0	26,790	14,010	16,287
12	92105	San Diego	33.6 ±0.9	71,411	22,910	22,468
13	92102	San Diego	34.3 ±1.1	38,901	14,620	15,499
14	92110	San Diego	34.5 ±1.1	30,902	12,339	13,740
15	92104	San Diego	35.2 ±0.6	47,410	23,661	23,640
16	92123	San Diego	35.3 ±1.5	33,041	12,487	12,942
17	92116	San Diego	35.7 ±0.8	31,843	17,022	17,703
18	92173	San Ysidro	35.9 ±2.7	27,585	7,952	8,085
19	92126	San Diego	36.1 ±1.1	76,059	25,551	27,684
20	92027	Escondido	36.1 ±1.0	54,113	16,965	17,387
21	92025	Escondido	36.4 ±1.4	49,989	16,413	16,781
22	92154	San Diego	36.5 ±1.1	80,445	23,019	24,157
23	92139	San Diego	36.9 ±1.3	34,703	10,001	10,825
24	92101	San Diego	37.0 ±1.2	51,805	30,214	35,761
25	92120	San Diego	37.0 ±1.7	31,915	12,404	14,145

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; 40 of 48 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 22,543 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 92093 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 Diego has the lowest median age?: 92093 (La Jolla), at 19.5 (±0.1), among 40 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.