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

03033 (Brookline), at 49.3%, among 34 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 Hillsborough County, NH

These are the 25 ZIP codes in Hillsborough County with the highest share of households with children, out of 34 with at least 1,000 residents. 03033 (Brookline, 49.3%), 03070 (New Boston, 43.3%) and 03052 (Litchfield, 42.0%) lead the list. There is no single "best" ZIP code in Hillsborough 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 Hillsborough County

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	03033	Brookline	49.3%	5,736	1,831	1,858
2	03070	New Boston	43.3%	6,177	2,030	2,113
3	03052	Litchfield	42.0%	8,499	3,023	3,332
4	03057	Mont Vernon	38.7%	2,709	884	941
5	03110	Bedford	37.4%	23,746	8,176	8,688
6	03055	Milford	35.5%	16,337	6,399	6,819
7	03071	New Ipswich	35.5%	5,310	1,746	1,834
8	03076	Pelham	35.2%	14,449	4,971	5,286
9	03031	Amherst	32.1%	11,849	4,563	4,438
10	03442	Bennington	30.9%	1,588	647	620
11	03049	Hollis	30.8%	8,603	3,355	3,102
12	03060	Nashua	30.0%	31,657	12,399	13,732
13	03054	Merrimack	29.6%	28,176	10,850	11,825
14	03062	Nashua	29.5%	29,441	11,874	12,266
15	03281	Weare	29.3%	9,170	3,565	3,522
16	03244	Hillsborough	29.2%	8,156	3,166	3,063
17	03063	Nashua	28.4%	15,805	6,614	7,267
18	03103	Manchester	28.3%	37,775	15,217	15,277
19	03440	Antrim	27.4%	2,661	1,118	1,070
20	03045	Goffstown	26.4%	14,080	5,506	5,543
21	03104	Manchester	25.4%	35,237	14,622	14,233
22	03051	Hudson	25.1%	25,557	9,930	10,126
23	03043	Francestown	24.3%	1,398	573	631
24	03048	Greenville	23.9%	3,237	1,389	1,282
25	03064	Nashua	23.8%	14,391	6,247	6,455

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; 34 of 34 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 15,944 households, on 36 carrier routes with 16,932 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 03033 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 Hillsborough County has the highest share of households with children?: 03033 (Brookline), at 49.3%, among 34 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.