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/KS/YOUNGEST

ZIP Codes With the Youngest Population in Kansas

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 66422 Emmett Pottawatomie 14.7
2 66746 Hepler Crawford 14.9
3 67627 Catharine Ellis 18.5
4 67341 Dennis Labette 18.7
5 67260 Wichita Sedgwick 18.9
6 66045 Lawrence Douglas 19.4
7 66506 Manhattan Riley 19.5
8 66621 Topeka Shawnee 19.7
9 66522 Oneida Nemaha 20.5
10 67221 Mcconnell Afb Sedgwick 20.8
11 66035 Highland Doniphan 20.9
12 67452 Hunter Mitchell 22.6
13 67483 Tampa Marion 22.6
14 66501 Mc Farland Wabaunsee 22.9
15 66442 Fort Riley Riley 23.0
16 67733 Edson Sherman 23.1
17 67072 Latham Butler 23.8
18 66044 Lawrence Douglas 24.4
19 66536 Saint Marys Pottawatomie 24.9
20 66781 Weir Cherokee 25.5
21 67674 Walker Ellis 25.8
22 66502 Manhattan Riley 25.9
23 66091 Welda Anderson 26.0
24 66027 Fort Leavenworth Leavenworth 26.3
25 66779 Uniontown Bourbon 26.3
26 67851 Holcomb Finney 26.8
27 67565 Otis Rush 27.8
28 66619 Topeka Shawnee 28.0
29 67478 Simpson Mitchell 28.0
30 67521 Brownell Ness 28.0
31 67210 Wichita Sedgwick 28.2
32 67869 Plains Meade 28.2
33 66762 Pittsburg Crawford 28.3
34 66517 Ogden Riley 28.4
35 66042 Lane Franklin 28.6
36 66419 Denison Jackson 28.7
37 66441 Junction City Geary 28.8
38 67041 Elbing Butler 28.8
39 66603 Topeka Shawnee 29.0
40 67863 Marienthal Wichita 29.0
41 67647 Long Island Phillips 29.1
42 67739 Herndon Rawlins 29.2
43 66942 Formoso Jewell 29.5
44 66102 Kansas City Wyandotte 29.6
45 66854 Hartford Lyon 29.7
46 67220 Wichita Sedgwick 29.7
47 66963 Randall Jewell 30.1
48 66046 Lawrence Douglas 30.2
49 67102 Maple City Cowley 30.5
50 67151 Walton Harvey 30.5

Showing the top 50 of 694 ZIP codes in Kansas that have this figure . 66422 ranks 1st at 14.7, against 30.5 in 50th place.

Other rankings for Kansas

Cite this page

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

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