Which ZIP code in Hidalgo County has the lowest median age?

78576 (Penitas), at 22.4 (±5.2), among 25 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 Hidalgo County, TX

These are the 25 ZIP codes in Hidalgo County with the lowest median age, out of 25 with at least 1,000 residents. 78576 (Penitas, 22.4), 78537 (Donna, 26.6) and 78542 (Edinburg, 27.7) lead the list. There is no single "best" ZIP code in Hidalgo 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 Hidalgo County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	78576	Penitas	22.4 ±5.2	15,484	3,637	3,730
2	78537	Donna	26.6 ±1.6	51,426	13,909	16,734
3	78542	Edinburg	27.7 ±1.0	89,401	23,943	28,029
4	78541	Edinburg	27.9 ±1.0	51,710	16,679	17,705
5	78599	Weslaco	27.9 ±2.0	35,454	9,605	11,234
6	78570	Mercedes	27.9 ±2.6	34,348	9,161	10,504
7	78573	Mission	28.8 ±1.3	44,809	12,720	14,794
8	78574	Mission	29.0 ±1.8	62,456	17,078	18,482
9	78577	Pharr	29.7 ±1.1	80,540	23,957	27,884
10	78516	Alamo	30.1 ±1.5	34,370	10,045	11,662
11	78589	San Juan	31.2 ±2.1	40,231	11,709	12,788
12	78557	Hidalgo	31.5 ±2.0	14,498	3,909	4,121
13	78596	Weslaco	31.7 ±1.2	39,518	12,731	16,693
14	78560	La Joya	32.2 ±3.8	4,635	1,467	1,549
15	78503	Mcallen	32.3 ±1.2	22,621	7,247	8,804
16	78504	Mcallen	32.5 ±1.9	63,094	19,697	21,989
17	78538	Edcouch	32.6 ±3.7	11,982	3,556	3,006
18	78595	Sullivan City	33.0 ±2.5	6,118	1,826	1,655
19	78543	Elsa	33.2 ±6.8	8,400	2,834	—
20	78539	Edinburg	35.2 ±1.9	37,168	14,171	15,145
21	78562	La Villa	35.2 ±4.3	3,211	712	—
22	78501	Mcallen	36.0 ±2.1	58,935	21,734	24,728
23	78572	Mission	37.8 ±2.0	78,024	26,723	34,542
24	78569	Lyford	39.9 ±5.9	4,342	1,283	778
25	78579	Progreso	43.9 ±16.7	2,039	665	—

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; 25 of 30 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 67,773 households, on 82 carrier routes with 77,432 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 78576 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 Hidalgo County has the lowest median age?: 78576 (Penitas), at 22.4 (±5.2), among 25 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.