Which ZIP code in San Antonio has the highest median age?

78263 (San Antonio), at 51.0 (±10.7), among 63 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 Antonio, TX

These are the 25 ZIP codes in San Antonio, TX with the highest median age, out of 63 with at least 1,000 residents. 78263 (San Antonio, 51.0), 78266 (San Antonio, 49.8) and 78112 (Elmendorf, 43.9) lead the list. There is no single "best" ZIP code in San Antonio; 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 Antonio

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	78263	San Antonio	51.0 ±10.7	4,253	1,676	2,745
2	78266	San Antonio	49.8 ±4.0	7,338	2,651	3,698
3	78112	Elmendorf	43.9 ±4.3	9,769	3,617	4,748
4	78205	San Antonio	43.9 ±16.4	1,538	1,237	1,716
5	78023	Helotes	42.2 ±2.2	28,462	9,547	11,153
6	78264	San Antonio	41.6 ±5.2	11,841	4,092	5,919
7	78248	San Antonio	41.5 ±3.1	14,488	5,761	6,141
8	78231	San Antonio	41.2 ±4.0	9,744	3,978	4,063
9	78255	San Antonio	40.6 ±3.3	17,379	6,106	8,024
10	78230	San Antonio	40.0 ±1.7	41,387	19,134	21,113
11	78201	San Antonio	39.3 ±2.2	41,981	16,374	16,989
12	78209	San Antonio	38.9 ±1.7	43,400	20,328	21,801
13	78260	San Antonio	38.9 ±1.1	38,023	11,874	16,176
14	78202	San Antonio	38.8 ±3.1	10,224	4,321	5,202
15	78225	San Antonio	38.5 ±2.6	13,104	5,019	4,591
16	78232	San Antonio	38.4 ±1.2	36,636	15,764	16,560
17	78212	San Antonio	38.4 ±1.1	27,437	11,414	13,073
18	78258	San Antonio	38.0 ±2.1	52,448	19,563	22,663
19	78217	San Antonio	38.0 ±2.5	34,055	14,829	15,799
20	78247	San Antonio	37.8 ±1.1	51,933	19,615	21,881
21	78216	San Antonio	37.8 ±2.0	41,180	19,458	20,312
22	78214	San Antonio	37.8 ±3.8	22,118	7,492	8,499
23	78213	San Antonio	37.2 ±1.8	40,526	16,239	17,641
24	78259	San Antonio	37.1 ±1.4	29,826	11,263	12,507
25	78222	San Antonio	36.9 ±2.3	26,476	9,158	11,262

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; 63 of 64 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 18,728 households, on 39 carrier routes with 24,060 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 78263 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 Antonio has the highest median age?: 78263 (San Antonio), at 51.0 (±10.7), among 63 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.