Which ZIP code in Austin has the lowest median age?

78705 (Austin), at 21.2 (±0.3), among 44 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 Austin, TX

These are the 25 ZIP codes in Austin, TX with the lowest median age, out of 44 with at least 1,000 residents. 78705 (Austin, 21.2), 78741 (Austin, 30.4) and 78751 (Austin, 31.3) lead the list. There is no single "best" ZIP code in Austin; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Youngest ZIP codes in Austin

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	78705	Austin	21.2 ±0.3	33,238	12,136	12,382
2	78741	Austin	30.4 ±0.7	45,951	23,867	29,381
3	78751	Austin	31.3 ±1.1	16,961	9,917	10,137
4	78752	Austin	31.6 ±1.7	23,317	11,160	11,558
5	78724	Austin	32.2 ±1.2	31,103	10,379	14,823
6	78753	Austin	32.5 ±0.9	56,920	24,538	26,249
7	78758	Austin	32.7 ±1.1	49,617	25,676	27,327
8	78744	Austin	33.2 ±1.1	50,986	20,976	26,491
9	78721	Austin	33.8 ±1.1	10,997	4,973	6,325
10	78728	Austin	33.9 ±0.8	26,777	13,169	14,485
11	78754	Austin	34.4 ±1.7	32,690	13,345	15,436
12	78704	Austin	34.5 ±0.7	50,688	27,940	29,982
13	78747	Austin	34.5 ±2.3	22,180	9,096	12,677
14	78617	Del Valle	34.6 ±1.9	30,756	8,950	11,015
15	78723	Austin	34.8 ±1.4	38,129	16,669	19,936
16	78729	Austin	34.9 ±1.2	30,460	14,500	15,015
17	78702	Austin	35.6 ±1.4	25,985	13,759	16,789
18	78722	Austin	35.6 ±1.4	6,767	3,242	4,249
19	78726	Austin	35.7 ±4.2	14,506	6,453	7,179
20	78727	Austin	35.8 ±1.4	29,958	14,204	14,746
21	78756	Austin	36.2 ±1.0	9,197	4,637	4,717
22	78748	Austin	36.4 ±1.5	55,631	25,231	26,891
23	78717	Austin	36.8 ±1.4	37,262	14,939	18,089
24	78725	Austin	36.9 ±4.9	10,746	4,349	4,111
25	78745	Austin	37.1 ±1.2	61,219	30,293	32,889

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; 44 of 46 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 67,459 households, on 73 carrier routes with 78,281 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 78705 on the EDDM route map

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Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Austin has the lowest median age?: 78705 (Austin), at 21.2 (±0.3), among 44 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.