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

21250 (Baltimore), at 19.9 (±0.4), 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 Baltimore County, MD

These are the 25 ZIP codes in Baltimore County with the lowest median age, out of 44 with at least 1,000 residents. 21250 (Baltimore, 19.9), 21252 (Towson, 20.0) and 21210 (Baltimore, 32.0) lead the list. There is no single "best" ZIP code in Baltimore 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 County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	21250	Baltimore	19.9 ±0.4	2,834	0	—
2	21252	Towson	20.0 ±0.3	4,865	12	—
3	21210	Baltimore	32.0 ±3.1	14,134	5,202	5,945
4	21155	Upperco	33.7 ±7.6	3,313	1,032	1,008
5	21224	Baltimore	34.3 ±1.0	47,465	20,962	24,354
6	21204	Towson	34.8 ±3.0	19,845	8,747	9,777
7	21209	Baltimore	35.6 ±2.1	30,126	11,621	12,261
8	21244	Windsor Mill	36.0 ±1.1	38,208	14,157	15,420
9	21227	Halethorpe	36.2 ±1.6	34,907	13,396	—
10	21222	Dundalk	36.4 ±1.4	59,407	22,512	23,157
11	21117	Owings Mills	36.7 ±2.2	62,816	25,193	25,942
12	21206	Baltimore	36.7 ±1.5	48,902	20,480	20,390
13	21030	Cockeysville	36.8 ±1.8	25,827	10,900	12,135
14	21239	Baltimore	37.1 ±3.5	27,346	12,080	12,698
15	21229	Baltimore	37.5 ±1.1	46,679	19,262	—
16	21162	White Marsh	37.5 ±2.5	4,639	1,559	1,856
17	21220	Middle River	37.7 ±1.4	42,824	16,544	18,583
18	21236	Nottingham	38.4 ±1.3	39,514	15,698	16,947
19	21212	Baltimore	38.5 ±1.3	33,974	12,971	13,109
20	21207	Gwynn Oak	39.5 ±1.6	47,099	18,976	19,296
21	21286	Towson	39.6 ±3.3	21,853	9,765	10,721
22	21128	Perry Hall	40.1 ±2.7	15,501	5,609	6,193
23	21234	Parkville	40.5 ±1.1	66,334	27,639	28,871
24	21013	Baldwin	40.7 ±5.3	5,610	1,843	1,714
25	21120	Parkton	40.8 ±4.6	7,440	2,599	2,652

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 54 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 27,208 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 21250 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 Baltimore County has the lowest median age?: 21250 (Baltimore), at 19.9 (±0.4), 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.