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/MI/YOUNGEST

ZIP Codes With the Youngest Population in Michigan

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 48724 Carrollton Saginaw 15.7
2 49826 Rumely Alger 18.0
3 48109 Ann Arbor Washtenaw 19.1
4 48824 East Lansing Ingham 19.3
5 48825 East Lansing Ingham 19.5
6 48859 Mount Pleasant Isabella 19.7
7 49335 Moline Allegan 19.8
8 49104 Berrien Springs Berrien 20.2
9 49409 Ferrysburg Ottawa 20.6
10 49401 Allendale Ottawa 21.8
11 49921 Dodgeville Houghton 21.8
12 49931 Houghton Houghton 22.1
13 48104 Ann Arbor Washtenaw 22.9
14 49006 Kalamazoo Kalamazoo 23.0
15 48823 East Lansing Ingham 24.1
16 48604 Saginaw Saginaw 25.6
17 49075 Nottawa St. Joseph 25.9
18 48858 Mount Pleasant Isabella 27.6
19 48896 Winn Isabella 27.8
20 49007 Kalamazoo Kalamazoo 27.9
21 48426 Decker Sanilac 28.4
22 48870 Palo Ionia 28.5
23 48126 Dearborn Wayne 28.9
24 48210 Detroit Wayne 29.2
25 48212 Hamtramck Wayne 29.2
26 48620 Edenville Midland 29.3
27 49325 Freeport Barry 29.3
28 48933 Lansing Ingham 29.8
29 49258 Mosherville Hillsdale 29.8
30 49307 Big Rapids Mecosta 30.2
31 49255 Montgomery Branch 30.3
32 48502 Flint Genesee 30.6
33 49918 Copper Harbor Keweenaw 30.9
34 49955 Painesdale Houghton 30.9
35 49503 Grand Rapids Kent 31.1
36 49507 Grand Rapids Kent 31.1
37 48177 Samaria Monroe 31.2
38 48122 Melvindale Wayne 31.3
39 48105 Ann Arbor Washtenaw 31.6
40 49852 Loretto Dickinson 31.6
41 49917 Copper City Houghton 31.7
42 48209 Detroit Wayne 31.9
43 49076 Olivet Eaton 31.9
44 49959 Ramsay Gogebic 31.9
45 48120 Dearborn Wayne 32.0
46 49922 Dollar Bay Houghton 32.0
47 49930 Hancock Houghton 32.0
48 48211 Detroit Wayne 32.2
49 48607 Saginaw Saginaw 32.2
50 48862 North Star Gratiot 32.2

Showing the top 50 of 985 ZIP codes in Michigan that have this figure . 48724 ranks 1st at 15.7, against 32.2 in 50th place.

Other rankings for Michigan

Cite this page

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

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