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

92093 (La Jolla), at 19.5 (±0.1), among 98 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 County, CA

These are the 25 ZIP codes in San Diego County with the lowest median age, out of 98 with at least 1,000 residents. 92093 (La Jolla, 19.5), 92140 (San Diego, 20.5) and 92055 (Camp Pendleton, 21.2) lead the list. There is no single "best" ZIP code in San Diego 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 San Diego County

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	92055	Camp Pendleton	21.2 ±0.2	10,831	0	—
4	92145	San Diego	21.6 ±0.4	2,349	0	—
5	92136	San Diego	23.7 ±0.7	4,573	15	—
6	92058	Oceanside	25.1 ±0.7	49,834	14,635	14,517
7	92115	San Diego	28.8 ±0.8	66,264	22,528	23,678
8	92122	San Diego	31.7 ±1.0	45,411	19,927	21,973
9	92121	San Diego	32.7 ±2.2	3,974	1,575	1,834
10	92124	San Diego	33.0 ±1.6	30,474	11,332	11,420
11	92113	San Diego	33.2 ±1.7	48,215	13,545	13,874
12	92059	Pala	33.2 ±4.8	1,362	376	163
13	92109	San Diego	33.4 ±0.9	44,820	22,646	25,019
14	92108	San Diego	33.5 ±1.0	26,790	14,010	16,287
15	92105	San Diego	33.6 ±0.9	71,411	22,910	22,468
16	92102	San Diego	34.3 ±1.1	38,901	14,620	15,499
17	92110	San Diego	34.5 ±1.1	30,902	12,339	13,740
18	92083	Vista	34.7 ±1.3	38,375	11,715	12,260
19	91932	Imperial Beach	35.1 ±1.2	25,741	9,332	10,149
20	92104	San Diego	35.2 ±0.6	47,410	23,661	23,640
21	92123	San Diego	35.3 ±1.5	33,041	12,487	12,942
22	91915	Chula Vista	35.4 ±1.3	35,322	10,677	12,002
23	91913	Chula Vista	35.7 ±1.4	57,721	17,428	19,870
24	92116	San Diego	35.7 ±0.8	31,843	17,022	17,703
25	91977	Spring Valley	35.8 ±0.9	61,064	19,118	19,560

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; 98 of 116 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 15 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 County has the lowest median age?: 92093 (La Jolla), at 19.5 (±0.1), among 98 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.