Youngest ZIP codes in Baltimore city, MD

These are the 23 ZIP codes in Baltimore city with the lowest median age, out of 23 with at least 1,000 residents. 21210 (Baltimore, 32.0), 21231 (Baltimore, 32.7) and 21201 (Baltimore, 33.6) lead the list. There is no single "best" ZIP code in Baltimore city 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 Baltimore city County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
121210Baltimore32.0 ±3.114,1345,2025,945
221231Baltimore32.7 ±1.314,9698,136—
321201Baltimore33.6 ±2.118,30711,34513,314
421226Curtis Bay33.6 ±3.36,6742,6882,787
521202Baltimore33.7 ±1.920,68310,86112,822
621230Baltimore33.9 ±1.032,97716,49619,897
721225Brooklyn34.2 ±2.134,06212,91513,017
821224Baltimore34.3 ±1.047,46520,96224,354
921216Baltimore34.7 ±2.729,42612,30711,296
1021218Baltimore35.0 ±1.344,01418,70320,956
1121209Baltimore35.6 ±2.130,12611,62112,261
1221205Baltimore35.9 ±3.213,0135,1116,144
1321206Baltimore36.7 ±1.548,90220,48020,390
1421239Baltimore37.1 ±3.527,34612,08012,698
1521229Baltimore37.5 ±1.146,67919,262—
1621211Baltimore37.5 ±1.614,9698,1929,263
1721213Baltimore38.3 ±2.328,05812,00911,569
1821212Baltimore38.5 ±1.333,97412,97113,109
1921223Baltimore38.6 ±2.119,5728,5878,978
2021217Baltimore38.8 ±2.330,79215,33213,889
2121207Gwynn Oak39.5 ±1.647,09918,97619,296
2221214Baltimore40.8 ±2.021,0928,4667,940
2321215Baltimore41.2 ±2.052,22921,74023,554

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; 23 of 26 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 38,232 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 21210 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 Baltimore city County has the lowest median age?
21210 (Baltimore), at 32.0 (±3.1), among 23 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.