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

08820 (Edison), at 46.7%, among 40 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 Middlesex County, NJ

These are the 25 ZIP codes in Middlesex County with the highest share of households with children, out of 40 with at least 1,000 residents. 08820 (Edison, 46.7%), 08810 (Dayton, 42.1%) and 08816 (East Brunswick, 40.2%) lead the list. There is no single "best" ZIP code in Middlesex 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 Middlesex County

Rank	ZIP	Mailing city	Households with children under 18	Residents	Households	Residential mailboxes
1	08820	Edison	46.7%	39,978	13,181	13,536
2	08810	Dayton	42.1%	7,952	2,641	2,746
3	08816	East Brunswick	40.2%	49,360	16,715	17,984
4	08536	Plainsboro	39.1%	20,817	8,353	9,032
5	07008	Carteret	38.2%	25,526	8,230	8,976
6	08830	Iselin	38.2%	19,551	6,512	7,014
7	08861	Perth Amboy	38.1%	59,351	20,596	17,126
8	08850	Milltown	37.5%	8,538	3,149	3,154
9	08882	South River	37.1%	16,124	5,574	5,648
10	08852	Monmouth Junction	37.0%	18,062	6,694	7,402
11	08817	Edison	36.8%	49,020	17,411	—
12	08840	Metuchen	36.6%	18,206	6,378	6,986
13	08540	Princeton	36.4%	50,388	18,609	20,795
14	08902	North Brunswick	36.2%	43,932	15,398	15,791
15	07095	Woodbridge	35.7%	20,756	7,921	9,063
16	08901	New Brunswick	35.6%	57,263	15,676	16,939
17	08832	Keasbey	35.4%	2,252	850	1,063
18	08824	Kendall Park	35.0%	13,366	4,489	4,416
19	07080	South Plainfield	34.9%	24,411	8,324	8,433
20	08859	Parlin	34.7%	25,448	9,123	9,261
21	08812	Dunellen	34.7%	14,224	4,730	5,368
22	07064	Port Reading	34.2%	3,481	1,101	1,449
23	08837	Edison	34.1%	19,437	7,597	7,009
24	08854	Piscataway	33.8%	61,088	17,600	19,286
25	07001	Avenel	32.6%	17,121	5,615	5,760

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; 40 of 40 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 49,120 households, on 97 carrier routes with 52,274 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 08820 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 Middlesex County has the highest share of households with children?: 08820 (Edison), at 46.7%, among 40 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.