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

03823 (Madbury), at 46.3%, among 15 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 Strafford County, NH

These are the 15 ZIP codes in Strafford County with the highest share of households with children, out of 15 with at least 1,000 residents. 03823 (Madbury, 46.3%), 03825 (Barrington, 38.3%) and 03887 (Union, 32.6%) lead the list. There is no single "best" ZIP code in Strafford 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 Strafford County

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	03823	Madbury	46.3%	2,203	735	466
2	03825	Barrington	38.3%	9,489	3,467	3,903
3	03887	Union	32.6%	1,739	672	914
4	03851	Milton	31.4%	4,333	1,625	1,455
5	03839	Rochester	31.1%	4,279	1,671	1,557
6	03878	Somersworth	29.1%	12,205	5,245	5,583
7	03861	Lee	27.0%	4,576	1,616	1,765
8	03884	Strafford	26.9%	4,306	1,580	1,650
9	03824	Durham	25.2%	15,080	3,231	3,125
10	03835	Farmington	25.0%	6,804	2,807	2,758
11	03868	Rochester	23.6%	6,133	2,472	2,725
12	03855	New Durham	23.4%	2,748	1,091	1,257
13	03820	Dover	22.3%	33,440	15,062	15,667
14	03867	Rochester	22.0%	22,732	9,789	10,611
15	03869	Rollinsford	19.1%	2,456	1,026	770

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; 15 of 16 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 8,170 households, on 15 carrier routes with 8,295 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 03823 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 Strafford County has the highest share of households with children?: 03823 (Madbury), at 46.3%, among 15 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.