Youngest ZIP codes in Brownsville, TX

These are the 6 ZIP codes in Brownsville, TX with the lowest median age, out of 6 with at least 1,000 residents. 78526 (Brownsville, 29.7), 78521 (Brownsville, 31.3) and 78520 (Brownsville, 31.9) lead the list. There is no single "best" ZIP code in Brownsville; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Youngest ZIP codes in Brownsville

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
178526Brownsville29.7 ±1.160,01217,51618,847
278521Brownsville31.3 ±1.387,38027,73131,923
378520Brownsville31.9 ±1.064,74020,84722,917
478566Los Fresnos33.0 ±3.625,1107,2418,016
578575Olmito38.2 ±5.14,5751,6202,689
678578Port Isabel49.0 ±5.110,0164,3794,061

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; 6 of 6 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 74,955 households, on 106 carrier routes with 84,392 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 78526 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

Map it and price it

EDDM guides

Frequently asked questions

Which ZIP code in Brownsville has the lowest median age?
78526 (Brownsville), at 29.7 (±1.1), among 6 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.