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/TN/OLDEST

ZIP Codes With the Oldest Population in Tennessee

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 37396 Whiteside Marion 81.0
2 38578 Pleasant Hill Cumberland 73.2
3 38042 Hickory Valley Hardeman 73.1
4 38558 Crossville Cumberland 71.0
5 37394 Viola Warren 70.1
6 38036 Gallaway Fayette 69.5
7 37845 Petros Morgan 65.8
8 38361 Morris Chapel Hardin 65.0
9 38070 Tigrett Dyer 64.3
10 37765 Kyles Ford Hancock 63.6
11 37719 Coalfield Morgan 63.5
12 38332 Enville Chester 63.2
13 38050 Maury City Crockett 63.0
14 37340 Guild Marion 62.8
15 38333 Eva Benton 62.2
16 38326 Counce Hardin 62.1
17 38226 Dukedom Weakley 62.0
18 37882 Townsend Blount 61.9
19 37165 Slayden Dickson 61.4
20 38046 La Grange Fayette 59.2
21 38541 Allons Overton 59.0
22 37019 Belfast Marshall 58.9
23 37137 Nunnelly Hickman 58.9
24 38380 Sugar Tree Decatur 58.8
25 37774 Loudon Loudon 58.0
26 38564 Granville Jackson 58.0
27 38575 Moss Clay 58.0
28 37142 Palmyra Montgomery 57.9
29 37715 Clairfield Claiborne 57.9
30 37326 Ducktown Polk 57.5
31 38311 Bath Springs Decatur 56.9
32 37881 Thorn Hill Grainger 56.7
33 38256 Springville Henry 56.7
34 38487 Williamsport Maury 56.3
35 37819 Newcomb Campbell 56.0
36 37885 Vonore Monroe 56.0
37 38376 Shiloh Hardin 55.9
38 37828 Norris Anderson 55.8
39 38572 Crossville Cumberland 55.3
40 37348 Kelso Lincoln 55.2
41 38341 Holladay Benton 55.2
42 38387 Westport Carroll 55.1
43 38352 Luray Chester 54.5
44 38066 Rossville Fayette 54.4
45 37332 Evensville Rhea 53.9
46 38548 Buffalo Valley Putnam 53.7
47 37880 Ten Mile Meigs 53.6
48 37031 Castalian Springs Sumner 53.5
49 37095 Liberty DeKalb 53.5
50 37640 Butler Johnson 53.4

Showing the top 50 of 616 ZIP codes in Tennessee that have this figure . 37396 ranks 1st at 81.0, against 53.4 in 50th place.

Other rankings for Tennessee

Cite this page

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

Underlying data is public domain or openly licensed — sources, vintages and licences.