Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — RANKINGS/NJ/OLDEST

ZIP Codes With the Oldest Population in New Jersey

What this measures. Median age of residents, ACS 5-year estimate. Source: Census American Community Survey, data release 2026-10-12.

# ZIP City County Median age
1 07939 Lyons Somerset 77.0
2 08073 Rancocas Burlington 73.2
3 08212 Cape May Point Cape May 70.8
4 08759 Manchester Township Ocean 68.3
5 08528 Kingston Somerset 68.1
6 08243 Sea Isle City Cape May 66.1
7 08329 Mauricetown Cumberland 65.9
8 07846 Johnsonburg Warren 65.4
9 08316 Dorchester Cumberland 65.1
10 08247 Stone Harbor Cape May 64.7
11 08403 Longport Atlantic 64.2
12 07870 Schooleys Mountain Morris 64.1
13 08202 Avalon Cape May 63.9
14 08561 Windsor Mercer 63.4
15 08735 Lavallette Ocean 62.9
16 08752 Seaside Park Ocean 62.9
17 08757 Toms River Ocean 62.9
18 08008 Beach Haven Ocean 62.8
19 08006 Barnegat Light Ocean 62.7
20 07756 Ocean Grove Monmouth 62.2
21 08345 Newport Cumberland 61.3
22 08203 Brigantine Atlantic 60.6
23 08321 Fortescue Cumberland 60.4
24 08260 Wildwood Cape May 60.2
25 08039 Harrisonville Gloucester 59.1
26 08310 Buena Atlantic 58.9
27 08738 Mantoloking Ocean 58.6
28 07750 Monmouth Beach Monmouth 58.5
29 08406 Ventnor City Atlantic 58.3
30 08353 Shiloh Cumberland 57.8
31 08750 Sea Girt Monmouth 57.7
32 08402 Margate City Atlantic 57.5
33 08751 Seaside Heights Ocean 57.2
34 08041 Jobstown Burlington 57.1
35 07976 New Vernon Morris 56.4
36 07935 Green Village Morris 56.2
37 07979 Pottersville Hunterdon 56.2
38 08226 Ocean City Cape May 56.1
39 08559 Stockton Hunterdon 56.0
40 07762 Spring Lake Monmouth 55.9
41 07823 Belvidere Warren 55.4
42 08831 Monroe Township Middlesex 54.8
43 07833 Delaware Warren 54.5
44 07717 Avon By The Sea Monmouth 54.4
45 07723 Deal Monmouth 54.4
46 08204 Cape May Cape May 54.1
47 08248 Strathmere Cape May 53.8
48 08732 Island Heights Ocean 53.7
49 07444 Pompton Plains Morris 53.6
50 08241 Port Republic Atlantic 53.6

Showing the top 50 of 585 ZIP codes in New Jersey that have this figure . 07939 ranks 1st at 77.0, against 53.6 in 50th place.

Other rankings for New Jersey

Cite this page

zipcodes.pro. “ZIP Codes With the Oldest Population in New Jersey.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/nj/oldest

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