Which ZIP code in Montgomery County has the highest share of households with children?

20871 (Clarksburg), at 51.4%, 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.

ZIP codes with the most families with kids in Montgomery County, MD

These are the 25 ZIP codes in Montgomery County with the highest share of households with children, out of 37 with at least 1,000 residents. 20871 (Clarksburg, 51.4%), 20903 (Silver Spring, 48.7%) and 20841 (Boyds, 41.9%) 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.

ZIP codes with the most families with kids in Montgomery County

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	20871	Clarksburg	51.4%	30,182	9,347	10,397
2	20903	Silver Spring	48.7%	24,815	7,205	7,075
3	20841	Boyds	41.9%	9,969	2,919	3,217
4	20832	Olney	41.7%	25,553	8,411	9,035
5	20816	Bethesda	41.4%	18,140	6,400	6,663
6	20853	Rockville	39.3%	31,851	9,692	9,938
7	20866	Burtonsville	38.8%	15,986	5,033	5,051
8	20854	Potomac	38.7%	50,498	16,751	17,813
9	20833	Brookeville	38.6%	7,860	2,568	2,686
10	20902	Silver Spring	38.0%	54,261	18,236	18,457
11	20895	Kensington	37.9%	19,184	6,991	7,524
12	20837	Poolesville	37.8%	6,699	2,366	2,359
13	20817	Bethesda	37.1%	37,454	13,660	14,986
14	20912	Takoma Park	37.0%	25,749	9,884	9,675
15	20905	Silver Spring	36.7%	19,004	5,899	5,788
16	20877	Gaithersburg	35.9%	38,546	12,519	13,642
17	20874	Germantown	35.5%	62,738	22,662	24,506
18	20886	Montgomery Village	35.2%	34,718	12,441	12,921
19	20901	Silver Spring	35.0%	36,435	13,114	13,058
20	20872	Damascus	34.9%	13,983	4,659	4,948
21	20878	Gaithersburg	34.3%	66,115	24,237	25,897
22	20842	Dickerson	34.2%	2,369	802	753
23	20876	Germantown	33.4%	26,406	8,783	8,823
24	20882	Gaithersburg	33.2%	13,751	4,693	4,737
25	20851	Rockville	32.8%	14,946	5,155	5,051

How we ranked them

Ranked by the share of households with one or more people under 18 (ACS Data Profile, 2020–2024). The Census Bureau does not publish a margin of error for this share in our files. ZIP codes need at least 1,000 residents to be ranked; 37 of 48 qualify.

Which of these to mail, and why

Households with children buy tutoring, youth sports, pediatric and family dental care, child care, birthday venues and family dining. EDDM reaches every door on a route, so a higher share means more of your pieces land with families.

The top five ZIP codes on this list hold 34,282 households, on 68 carrier routes with 36,387 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 20871 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 highest share of households with children?: 20871 (Clarksburg), at 51.4%, among 37 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by the share of households with one or more people under 18 (ACS Data Profile, 2020–2024). The Census Bureau does not publish a margin of error for this share in our files.
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.