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

94129 (San Francisco), at 31.7 (±3.3), among 26 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 Francisco, CA

These are the 25 ZIP codes in San Francisco, CA with the lowest median age, out of 26 with at least 1,000 residents. 94129 (San Francisco, 31.7), 94158 (San Francisco, 32.7) and 94123 (San Francisco, 32.9) lead the list. There is no single "best" ZIP code in San Francisco; 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 Francisco

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	94129	San Francisco	31.7 ±3.3	3,836	1,337	1,409
2	94158	San Francisco	32.7 ±1.4	11,314	4,861	5,947
3	94123	San Francisco	32.9 ±0.8	24,054	12,605	15,202
4	94130	San Francisco	33.9 ±5.8	2,429	616	1,081
5	94105	San Francisco	35.1 ±2.0	13,861	8,300	10,760
6	94117	San Francisco	35.2 ±0.9	36,198	17,567	18,793
7	94107	San Francisco	35.2 ±0.9	31,823	16,451	18,917
8	94115	San Francisco	37.1 ±1.3	32,629	16,956	19,227
9	94103	San Francisco	37.6 ±1.4	34,964	17,952	22,198
10	94118	San Francisco	38.8 ±1.9	39,130	17,130	18,082
11	94110	San Francisco	39.3 ±0.6	66,865	27,208	29,197
12	94109	San Francisco	39.4 ±1.3	54,553	31,491	36,271
13	94124	San Francisco	39.7 ±1.5	34,475	10,995	11,500
14	94131	San Francisco	39.9 ±1.7	28,504	12,522	13,509
15	94132	San Francisco	40.6 ±1.6	26,859	10,533	10,820
16	94114	San Francisco	41.9 ±1.4	33,020	16,856	17,341
17	94102	San Francisco	42.2 ±1.7	35,976	19,935	20,646
18	94112	San Francisco	42.8 ±1.0	79,277	23,225	21,817
19	94134	San Francisco	42.8 ±1.1	38,633	12,262	11,329
20	94122	San Francisco	43.1 ±1.4	55,819	22,354	22,826
21	94121	San Francisco	44.5 ±2.0	41,995	18,206	18,432
22	94108	San Francisco	45.3 ±4.6	11,305	6,471	7,687
23	94133	San Francisco	45.5 ±3.8	23,804	12,653	12,997
24	94116	San Francisco	45.6 ±2.1	43,791	15,476	15,177
25	94111	San Francisco	45.6 ±5.9	4,579	2,432	2,585

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; 26 of 29 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 27,719 households, on 47 carrier routes with 34,399 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 94129 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 Francisco has the lowest median age?: 94129 (San Francisco), at 31.7 (±3.3), among 26 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.