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

06335 (Gales Ferry), at 40.3%, among 26 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 New London County, CT

These are the 25 ZIP codes in New London County with the highest share of households with children, out of 26 with at least 1,000 residents. 06335 (Gales Ferry, 40.3%), 06333 (East Lyme, 37.2%) and 06339 (Ledyard, 35.9%) lead the list. There is no single "best" ZIP code in New London 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 New London County

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	06335	Gales Ferry	40.3%	6,307	2,206	2,688
2	06333	East Lyme	37.2%	7,389	3,004	3,094
3	06339	Ledyard	35.9%	9,113	3,344	3,412
4	06254	North Franklin	32.7%	2,004	716	776
5	06380	Taftville	30.7%	2,757	1,212	1,428
6	06370	Oakdale	30.6%	7,327	2,602	2,847
7	06420	Salem	29.9%	4,368	1,811	1,795
8	06249	Lebanon	29.1%	7,116	2,834	2,930
9	06385	Waterford	29.0%	15,966	6,755	7,735
10	06379	Pawcatuck	28.8%	9,017	4,125	4,146
11	06371	Old Lyme	28.6%	9,828	4,122	5,016
12	06415	Colchester	28.1%	16,038	6,604	6,956
13	06360	Norwich	27.6%	37,216	15,880	16,075
14	06340	Groton	26.5%	29,863	12,879	13,177
15	06351	Jewett City	26.2%	15,760	6,559	6,335
16	06384	Voluntown	26.2%	2,663	1,137	1,068
17	06359	North Stonington	25.0%	5,160	2,114	2,151
18	06334	Bozrah	24.3%	2,249	914	1,058
19	06320	New London	23.5%	27,703	11,808	11,724
20	06375	Quaker Hill	23.3%	3,670	1,378	1,517
21	06365	Preston	23.1%	4,807	1,940	1,745
22	06330	Baltic	22.6%	3,327	1,299	923
23	06355	Mystic	20.7%	12,173	5,364	6,587
24	06357	Niantic	20.6%	11,332	5,000	6,152
25	06382	Uncasville	19.6%	10,143	3,673	4,275

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; 26 of 33 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 10,482 households, on 23 carrier routes with 11,398 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 06335 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 New London County has the highest share of households with children?: 06335 (Gales Ferry), at 40.3%, among 26 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.