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/OH/OLDEST

ZIP Codes With the Oldest Population in Ohio

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 43972 Bannock Belmont 88.0
2 44610 Berlin Holmes 84.2
3 44687 Walnut Creek Holmes 80.0
4 45428 Dayton Montgomery 75.1
5 43111 Carbon Hill Hocking 74.7
6 45112 Chilo Clermont 74.5
7 44660 Mount Hope Holmes 74.3
8 44068 North Kingsville Ashtabula 73.5
9 45051 Mount Saint Joseph Hamilton 72.2
10 43811 Conesville Coshocton 72.0
11 44274 Sharon Center Medina 70.7
12 45727 Dexter City Noble 70.0
13 43438 Kelleys Island Erie 69.0
14 44080 Parkman Geauga 67.1
15 43931 Hannibal Monroe 66.6
16 45893 Vaughnsville Putnam 65.8
17 43788 Summerfield Noble 64.9
18 43805 Blissfield Coshocton 64.2
19 44639 Leesville Carroll 63.3
20 43951 Lafferty Belmont 62.8
21 43717 Belle Valley Noble 62.5
22 43440 Lakeside Marblehead Ottawa 61.4
23 43037 Martinsburg Knox 61.2
24 45734 Graysville Monroe 60.8
25 45147 Miamiville Clermont 60.6
26 45698 Zaleski Vinton 60.6
27 45119 Feesburg Brown 59.3
28 45780 The Plains Athens 59.1
29 43463 Stony Ridge Wood 58.7
30 43779 Sarahsville Noble 58.2
31 44452 North Lima Mahoning 57.9
32 44702 Canton Stark 57.6
33 44697 Zoar Tuscarawas 57.5
34 45888 Uniopolis Auglaize 57.4
35 43018 Etna Licking 57.0
36 43333 Lewistown Logan 57.0
37 44503 Youngstown Mahoning 56.9
38 43356 Waldo Marion 56.7
39 43981 New Athens Harrison 56.7
40 43905 Barton Belmont 56.4
41 44828 Flat Rock Seneca 56.4
42 45647 Londonderry Vinton 56.4
43 43319 East Liberty Logan 56.3
44 43468 Williston Ottawa 56.3
45 44424 Hartford Trumbull 56.3
46 43010 Catawba Clark 56.2
47 43946 Sardis Monroe 56.2
48 44839 Huron Erie 56.1
49 45387 Yellow Springs Greene 56.0
50 45745 Lower Salem Noble 56.0

Showing the top 50 of 1,195 ZIP codes in Ohio that have this figure . 43972 ranks 1st at 88.0, against 56.0 in 50th place.

Other rankings for Ohio

Cite this page

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

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