Which ZIP code in Union County has the lowest median age?

07206 (Elizabethport), at 31.2 (±1.6), 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.

Youngest ZIP codes in Union County, NJ

These are the 25 ZIP codes in Union County with the lowest median age, out of 26 with at least 1,000 residents. 07206 (Elizabethport, 31.2), 07063 (Plainfield, 32.7) and 07060 (Plainfield, 33.4) lead the list. There is no single "best" ZIP code in Union County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Youngest ZIP codes in Union County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	07206	Elizabethport	31.2 ±1.6	31,930	9,308	7,896
2	07063	Plainfield	32.7 ±1.9	14,235	3,931	3,818
3	07060	Plainfield	33.4 ±0.8	48,363	14,951	15,037
4	07205	Hillside	35.7 ±2.1	22,349	7,032	7,061
5	07062	Plainfield	35.9 ±2.6	15,399	4,843	5,287
6	07202	Elizabeth	36.6 ±1.5	44,968	15,451	14,559
7	07201	Elizabeth	36.7 ±2.4	28,467	9,583	9,167
8	07208	Elizabeth	37.9 ±1.4	31,937	11,779	11,922
9	07033	Kenilworth	38.5 ±2.9	8,401	2,842	2,939
10	07203	Roselle	39.4 ±2.3	22,646	8,407	8,615
11	07065	Rahway	39.7 ±1.3	30,109	12,257	—
12	07204	Roselle Park	39.8 ±3.2	14,093	5,408	5,637
13	07036	Linden	40.3 ±1.8	45,671	16,239	16,933
14	07090	Westfield	40.7 ±2.0	31,111	10,900	11,463
15	07083	Union	41.4 ±1.1	58,170	20,278	21,050
16	07901	Summit	41.5 ±2.2	24,314	9,014	8,736
17	07076	Scotch Plains	42.3 ±1.6	24,843	8,563	9,407
18	07027	Garwood	42.3 ±3.4	4,885	2,129	2,290
19	07088	Vauxhall	42.3 ±7.6	2,901	1,096	1,199
20	07066	Clark	42.9 ±1.3	15,622	5,929	6,315
21	07016	Cranford	43.4 ±1.6	24,074	9,426	9,354
22	07023	Fanwood	43.4 ±3.5	7,799	2,835	2,869
23	07081	Springfield	44.1 ±1.9	17,171	6,883	7,370
24	07974	New Providence	45.8 ±2.0	13,349	5,069	4,908
25	07922	Berkeley Heights	47.2 ±3.1	12,195	4,434	5,045

How we ranked them

Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 26 of 26 qualify.

Which of these to mail, and why

Younger ZIP codes skew toward renters, students and young families: fitness, quick-service food, apartments, entertainment and first-time-buyer offers.

The top five ZIP codes on this list hold 40,065 households, on 72 carrier routes with 39,099 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 07206 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 Union County has the lowest median age?: 07206 (Elizabethport), at 31.2 (±1.6), among 26 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median age of all residents, lowest 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.