Which ZIP code in Essex County has the highest median age?

07004 (Fairfield), at 49.9 (±4.6), among 31 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.

Oldest ZIP codes in Essex County, NJ

These are the 25 ZIP codes in Essex County with the highest median age, out of 31 with at least 1,000 residents. 07004 (Fairfield, 49.9), 07068 (Roseland, 47.6) and 07039 (Livingston, 44.3) lead the list. There is no single "best" ZIP code in Essex County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Oldest ZIP codes in Essex County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	07004	Fairfield	49.9 ±4.6	7,824	3,039	3,099
2	07068	Roseland	47.6 ±4.1	6,268	2,513	2,890
3	07039	Livingston	44.3 ±0.8	31,488	10,451	11,499
4	07021	Essex Fells	43.7 ±1.6	2,361	752	795
5	07044	Verona	42.8 ±2.2	14,545	5,829	5,981
6	07109	Belleville	42.3 ±1.7	37,984	14,249	13,780
7	07009	Cedar Grove	42.2 ±3.6	13,535	4,992	5,090
8	07043	Montclair	42.0 ±1.8	13,256	4,258	4,338
9	07006	Caldwell	41.8 ±2.8	26,654	10,074	10,205
10	07078	Short Hills	41.5 ±1.0	14,613	4,519	4,676
11	07110	Nutley	41.1 ±1.7	29,980	11,914	11,806
12	07052	West Orange	41.0 ±1.2	48,620	17,184	18,389
13	07028	Glen Ridge	40.8 ±1.6	8,022	2,533	2,720
14	07041	Millburn	39.8 ±1.7	7,532	2,637	2,819
15	07042	Montclair	39.1 ±1.6	27,326	11,549	11,405
16	07018	East Orange	38.7 ±3.1	28,924	12,287	13,429
17	07040	Maplewood	38.1 ±2.1	25,613	8,662	9,102
18	07003	Bloomfield	37.5 ±1.3	53,771	21,215	20,760
19	07079	South Orange	37.5 ±1.8	18,539	6,113	6,496
20	07017	East Orange	36.9 ±2.3	40,910	15,916	15,682
21	07104	Newark	36.5 ±1.8	52,266	20,207	18,286
22	07112	Newark	36.0 ±1.9	29,456	11,263	9,672
23	07111	Irvington	35.9 ±1.7	60,867	23,542	20,462
24	07114	Newark	35.7 ±2.4	13,670	4,401	4,152
25	07106	Newark	35.4 ±3.0	36,383	12,944	10,403

How we ranked them

Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 31 of 31 qualify.

Which of these to mail, and why

Older ZIP codes respond to health care, hearing and vision, Medicare plans, home safety, estate planning and services that come to the door.

The top five ZIP codes on this list hold 22,584 households, on 68 carrier routes with 24,264 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 07004 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Essex County has the highest median age?: 07004 (Fairfield), at 49.9 (±4.6), among 31 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024).
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.