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/MO/YOUNGEST

ZIP Codes With the Youngest Population in Missouri

What this measures. Median age of residents, lowest first. Source: Census American Community Survey, data release 2026-10-12.

# ZIP City County Median age
1 63540 Gibbs Adair 11.0
2 65623 Butterfield Barry 12.5
3 65468 Eunice Texas 12.9
4 64147 Kansas City Jackson 18.5
5 65897 Springfield Greene 19.3
6 65215 Columbia Boone 19.7
7 65216 Columbia Boone 19.9
8 65726 Point Lookout Taney 19.9
9 65050 Latham Moniteau 20.5
10 65473 Fort Leonard Wood Pulaski 20.5
11 64453 Gentry Gentry 21.4
12 64125 Kansas City Jackson 21.9
13 65305 Whiteman Air Force Base Johnson 22.3
14 65329 Florence Morgan 22.4
15 65463 Eldridge Laclede 22.7
16 65201 Columbia Boone 23.3
17 63829 Cardwell Dunklin 23.6
18 65083 Ulman Miller 23.6
19 65806 Springfield Greene 24.5
20 65334 Hughesville Pettis 25.1
21 64688 Wheeling Livingston 25.4
22 64036 Henrietta Ray 25.6
23 63880 Whiteoak Dunklin 26.4
24 65243 Clark Randolph 26.8
25 64101 Kansas City Jackson 26.9
26 64646 Humphreys Sullivan 27.0
27 64433 Conception Nodaway 27.3
28 65541 Lenox Dent 27.5
29 63030 Fletcher Washington 27.6
30 63140 Saint Louis St. Louis 27.6
31 63501 Kirksville Adair 27.7
32 64093 Warrensburg Johnson 27.8
33 64065 Lees Summit Jackson 28.1
34 65011 Barnett Morgan 28.1
35 64102 Kansas City Jackson 28.2
36 63061 Luebbering Franklin 28.3
37 65640 Dunnegan Polk 28.3
38 63434 Bethel Shelby 28.6
39 63134 Saint Louis St. Louis 28.7
40 63438 Durham Lewis 28.8
41 63536 Downing Schuyler 28.9
42 64830 Alba Jasper 29.0
43 65064 Olean Miller 29.0
44 63453 Luray Clark 29.2
45 64422 Amity DeKalb 29.3
46 64468 Maryville Nodaway 29.3
47 64120 Kansas City Jackson 29.5
48 65733 Protem Taney 29.5
49 65746 Seymour Webster 29.6
50 64105 Kansas City Jackson 29.8

Showing the top 50 of 1,015 ZIP codes in Missouri that have this figure . 63540 ranks 1st at 11.0, against 29.8 in 50th place.

Other rankings for Missouri

Cite this page

zipcodes.pro. “ZIP Codes With the Youngest Population in Missouri.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/mo/youngest

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