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

92004 (Borrego Springs), at 61.9 (±6.2), 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.

Oldest ZIP codes in San Diego County, CA

These are the 25 ZIP codes in San Diego County with the highest median age, out of 98 with at least 1,000 residents. 92004 (Borrego Springs, 61.9), 92086 (Warner Springs, 60.8) and 92061 (Pauma Valley, 58.4) 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.

Oldest ZIP codes in San Diego County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	92004	Borrego Springs	61.9 ±6.2	3,007	1,654	224
2	92086	Warner Springs	60.8 ±2.6	1,406	635	598
3	92061	Pauma Valley	58.4 ±10.4	1,543	681	517
4	92036	Julian	53.9 ±10.7	3,218	1,412	586
5	92014	Del Mar	52.5 ±2.4	13,105	5,628	6,421
6	91905	Boulevard	50.9 ±11.4	1,683	561	437
7	91962	Pine Valley	50.8 ±20.8	2,574	1,081	56
8	92075	Solana Beach	50.2 ±4.3	11,944	5,326	5,804
9	91935	Jamul	48.4 ±9.9	9,114	2,950	2,994
10	92067	Rancho Santa Fe	46.5 ±8.7	7,938	2,835	—
11	91906	Campo	46.4 ±7.2	3,325	1,176	1,281
12	91902	Bonita	45.6 ±3.4	17,698	6,127	6,162
13	92672	San Clemente	44.6 ±3.0	36,939	15,239	17,281
14	92128	San Diego	44.4 ±1.4	48,992	20,281	21,669
15	91934	Jacumba	44.4 ±39.0	1,200	374	38
16	92003	Bonsall	44.0 ±6.1	5,061	1,751	2,029
17	92024	Encinitas	43.8 ±1.0	50,617	19,716	21,392
18	92037	La Jolla	43.7 ±1.8	40,717	16,909	18,953
19	92009	Carlsbad	43.6 ±1.5	44,739	16,183	16,735
20	92131	San Diego	43.6 ±1.6	35,503	12,982	13,249
21	92011	Carlsbad	43.3 ±2.3	23,190	9,094	10,209
22	91916	Descanso	43.3 ±15.9	1,710	605	590
23	92029	Escondido	43.2 ±2.7	20,726	7,854	8,014
24	92119	San Diego	42.6 ±1.6	24,456	9,485	9,793
25	91978	Spring Valley	42.5 ±4.0	10,014	3,236	3,506

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; 98 of 116 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 10,010 households, on 20 carrier routes with 8,346 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 92004 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in San Diego County has the highest median age?: 92004 (Borrego Springs), at 61.9 (±6.2), among 98 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.