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RANKING · 1990 CENSUS · 83 SHOWN OF 83

Oldest by median age, Michigan counties · 1990

Michigan counties ranked by median age of residents (2023 ACS). This list covers the 83 counties in Michigan that qualify, ranked against each other statewide.

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SAME RANKING BYCitiesStatesMetrosZIP codes
RELATEDYoungest by median ageMost foreign-born residentsHighest uninsured rateMost womenMost menHighest disability rate
YEAR19902000201020202024
Oldest by median age by state
RANKPLACESTATEPOPMEDIAN AGEVS 2000
01Keweenaw County, MIMI2,18646.1+3%
02Alcona County, MIMI10,55645.2−8%
03Roscommon County, MIMI23,91444.6−5%
04Iron County, MIMI11,75743.5−4%
05Montmorency County, MIMI9,84241.0−13%
06Oscoda County, MIMI8,72340.5−7%
07Ontonagon County, MIMI5,82340.4−12%
08Lake County, MIMI13,18240.3−6%
09Gogebic County, MIMI14,28539.9−7%
10Presque Isle County, MIMI13,12838.6−14%
11Manistee County, MIMI25,65638.2−8%
12Schoolcraft County, MIMI8,18737.5−9%
13Benzie County, MIMI18,56837.4−8%
14Mackinac County, MIMI11,23637.1−13%
15Cheboygan County, MIMI25,79337.1−10%
16Luce County, MIMI6,33937.0−4%
17Ogemaw County, MIMI21,12136.9−13%
18Gladwin County, MIMI26,07736.8−13%
19Antrim County, MIMI24,69836.8−10%
20Alger County, MIMI8,64136.8−11%
21Baraga County, MIMI8,16936.8−6%
22Leelanau County, MIMI22,98236.5−14%
23Dickinson County, MIMI25,82736.3−9%
24Mason County, MIMI29,04036.3−10%
25Clare County, MIMI31,54336.3−10%
26Menominee County, MIMI22,94135.8−11%
27Huron County, MIMI30,53035.8−13%
28Arenac County, MIMI15,06835.7−11%
29Alpena County, MIMI28,85335.3−13%
30Delta County, MIMI36,58235.2−13%
31Crawford County, MIMI13,72234.7−14%
32Charlevoix County, MIMI26,03634.6−11%
33Cass County, MIMI51,67734.5−10%
34Emmet County, MIMI33,77534.5−11%
35Sanilac County, MIMI40,08334.1−10%
36Bay County, MIMI102,12334.0−12%
37Calhoun County, MIMI133,40833.9−7%
38Macomb County, MIMI886,22133.9−8%
39Barry County, MIMI63,99133.8−8%
40Oakland County, MIMI1,288,33733.8−8%
41Branch County, MIMI45,99333.8−8%
42Berrien County, MIMI152,44433.7−10%
43Otsego County, MIMI26,08033.7−11%
44Osceola County, MIMI23,51633.5−11%
45Oceana County, MIMI27,17733.5−9%
46Jackson County, MIMI159,55233.5−9%
47Missaukee County, MIMI15,27433.5−11%
48Newaygo County, MIMI51,62233.3−8%
49Van Buren County, MIMI76,07133.3−9%
50Grand Traverse County, MIMI96,72933.3−12%
51Wexford County, MIMI34,44533.2−11%
52Kalkaska County, MIMI18,69333.2−13%
53Tuscola County, MIMI52,68032.9−11%
54Livingston County, MIMI197,31532.9−9%
55St. Clair County, MIMI160,48632.9−10%
56Eaton County, MIMI109,58132.9−10%
57St. Joseph County, MIMI60,96832.8−8%
58Gratiot County, MIMI41,19032.8−8%
59Saginaw County, MIMI187,68832.8−10%
60Muskegon County, MIMI177,90132.7−8%
61Hillsdale County, MIMI45,73832.7−10%
62Lenawee County, MIMI97,77932.6−10%
63Wayne County, MIMI1,769,03832.5−4%
64Midland County, MIMI83,75432.5−11%
65Iosco County, MIMI25,26632.4−27%
66Shiawassee County, MIMI67,68132.4−11%
67Clinton County, MIMI80,43232.4−12%
68Montcalm County, MIMI69,40632.3−9%
69Monroe County, MIMI156,00432.3−10%
70Chippewa County, MIMI36,08132.2−11%
71Genesee County, MIMI401,09332.1−8%
72Allegan County, MIMI123,18831.9−9%
73Houghton County, MIMI37,84231.9−6%
74Lapeer County, MIMI89,51631.7−12%
75Kalamazoo County, MIMI263,79531.1−5%
76Kent County, MIMI675,23230.8−5%
77Marquette County, MIMI68,06430.8−18%
78Ottawa County, MIMI308,45930.3−6%
79Ionia County, MIMI66,55729.9−9%
80Washtenaw County, MIMI370,21429.3−6%
81Ingham County, MIMI289,70928.4−6%
82Mecosta County, MIMI42,32025.7−19%
83Isabella County, MIMI64,69124.5−3%
SHOWING 1–83 OF 83
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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES