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

20903 (Silver Spring), at 34.3 (±2.3), among 37 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 Montgomery County, MD

These are the 25 ZIP codes in Montgomery County with the lowest median age, out of 37 with at least 1,000 residents. 20903 (Silver Spring, 34.3), 20910 (Silver Spring, 35.4) and 20879 (Gaithersburg, 36.4) lead the list. There is no single "best" ZIP code in Montgomery 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 Montgomery County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	20903	Silver Spring	34.3 ±2.3	24,815	7,205	7,075
2	20910	Silver Spring	35.4 ±0.9	45,943	22,123	24,156
3	20879	Gaithersburg	36.4 ±1.8	25,264	8,651	9,103
4	20902	Silver Spring	36.6 ±1.3	54,261	18,236	18,457
5	20877	Gaithersburg	36.8 ±1.3	38,546	12,519	13,642
6	20876	Germantown	36.8 ±2.5	26,406	8,783	8,823
7	20874	Germantown	37.6 ±0.7	62,738	22,662	24,506
8	20871	Clarksburg	37.7 ±1.2	30,182	9,347	10,397
9	20886	Montgomery Village	37.9 ±1.3	34,718	12,441	12,921
10	20912	Takoma Park	38.2 ±1.9	25,749	9,884	9,675
11	20852	Rockville	38.5 ±1.4	48,180	21,743	25,118
12	20851	Rockville	38.6 ±3.2	14,946	5,155	5,051
13	20901	Silver Spring	39.5 ±1.3	36,435	13,114	13,058
14	20814	Bethesda	39.9 ±2.3	32,795	14,904	18,961
15	20866	Burtonsville	39.9 ±2.5	15,986	5,033	5,051
16	20904	Silver Spring	40.6 ±1.2	58,646	21,212	21,983
17	20832	Olney	41.0 ±1.0	25,553	8,411	9,035
18	20906	Silver Spring	41.2 ±1.3	70,595	25,958	27,180
19	20850	Rockville	41.2 ±1.3	50,353	21,159	23,039
20	20855	Derwood	41.3 ±1.5	17,279	6,437	6,958
21	20872	Damascus	41.3 ±3.1	13,983	4,659	4,948
22	20878	Gaithersburg	41.4 ±0.9	66,115	24,237	25,897
23	20853	Rockville	41.8 ±2.1	31,851	9,692	9,938
24	20895	Kensington	41.9 ±1.5	19,184	6,991	7,524
25	20816	Bethesda	43.4 ±1.5	18,140	6,400	6,663

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; 37 of 48 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 68,734 households, on 140 carrier routes with 72,433 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 20903 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 Montgomery County has the lowest median age?: 20903 (Silver Spring), at 34.3 (±2.3), among 37 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.