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

01772 (Southborough), at 43.5%, among 78 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 Worcester County, MA

These are the 25 ZIP codes in Worcester County with the highest share of households with children, out of 78 with at least 1,000 residents. 01772 (Southborough, 43.5%), 01519 (Grafton, 41.7%) and 01581 (Westborough, 41.4%) lead the list. There is no single "best" ZIP code in Worcester 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 Worcester County

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	01772	Southborough	43.5%	9,907	3,560	3,497
2	01519	Grafton	41.7%	8,058	2,815	2,700
3	01581	Westborough	41.4%	21,944	7,964	8,622
4	01543	Rutland	39.7%	9,353	3,185	3,440
5	01756	Mendon	38.8%	6,325	2,118	2,173
6	01507	Charlton	38.5%	13,435	5,007	4,964
7	01568	Upton	37.5%	8,011	2,924	3,024
8	01605	Worcester	37.1%	30,579	11,722	11,116
9	01520	Holden	37.1%	16,912	5,978	6,170
10	01740	Bolton	36.9%	5,737	1,976	2,020
11	01430	Ashburnham	36.6%	6,481	2,331	2,359
12	01436	Baldwinville	36.4%	3,720	1,327	1,163
13	01610	Worcester	36.0%	30,444	9,744	8,044
14	01532	Northborough	35.2%	15,750	5,929	5,845
15	01545	Shrewsbury	35.1%	38,876	14,708	15,181
16	01611	Cherry Valley	35.1%	2,299	812	888
17	01588	Whitinsville	34.8%	10,258	4,279	4,216
18	01747	Hopedale	34.2%	6,027	2,194	2,391
19	01031	Gilbertville	34.0%	1,676	664	216
20	01516	Douglas	33.7%	9,376	3,350	3,189
21	01451	Harvard	33.7%	5,487	1,900	1,993
22	01540	Oxford	33.5%	10,979	4,039	4,237
23	01560	South Grafton	33.1%	4,984	1,967	1,982
24	01522	Jefferson	33.1%	3,152	1,180	1,339
25	01501	Auburn	32.4%	16,877	6,788	7,338

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; 78 of 86 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 19,642 households, on 36 carrier routes with 20,432 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 01772 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 Worcester County has the highest share of households with children?: 01772 (Southborough), at 43.5%, among 78 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.