Michigan counties

Medicare Advantage and marketplace plans are set by area, so start with your county. 83 listed.

CountyPopulation (2023 est.)Rank in Michigan
Alcona County10,48975
Alger County8,75777
Allegan County121,93918
Alpena County28,90450
Antrim County24,40959
Arenac County15,14568
Baraga County8,31079
Barry County63,80832
Bay County102,50020
Benzie County18,44166
Berrien County152,26116
Branch County45,21538
Calhoun County133,36617
Cass County51,64235
Charlevoix County26,15952
Cheboygan County26,04853
Chippewa County36,26444
Clare County31,31647
Clinton County79,72025
Crawford County13,53870
Delta County36,79043
Dickinson County25,98254
Eaton County108,82019
Emmet County34,12345
Genesee County401,5225
Gladwin County25,85355
Gogebic County14,22469
Grand Traverse County96,42122
Gratiot County41,36839
Hillsdale County45,58737
Houghton County37,59942
Huron County30,92748
Ingham County284,6378
Ionia County66,26230
Iosco County25,37358
Iron County11,74073
Isabella County64,11831
Jackson County159,42414
Kalamazoo County262,2159
Kalkaska County18,49065
Kent County661,3544
Keweenaw County2,17283
Lake County12,73472
Lapeer County88,97723
Leelanau County23,01962
Lenawee County97,52021
Livingston County196,75710
Luce County6,43581
Mackinac County10,85174
Macomb County875,1013
Manistee County25,56257
Marquette County66,99929
Mason County29,15949
Mecosta County41,09940
Menominee County22,94563
Midland County84,03924
Missaukee County15,31167
Monroe County155,04515
Montcalm County68,15427
Montmorency County9,67876
Muskegon County176,56412
Newaygo County51,10836
Oakland County1,270,4262
Oceana County26,98151
Ogemaw County20,99064
Ontonagon County5,90682
Osceola County23,33061
Oscoda County8,54578
Otsego County25,74756
Ottawa County303,3727
Presque Isle County13,28571
Roscommon County23,86360
Saginaw County187,78211
Sanilac County40,36841
Schoolcraft County8,14980
Shiawassee County68,02528
St. Clair County159,87413
St. Joseph County60,87833
Tuscola County52,82634
Van Buren County75,79826
Washtenaw County365,5366
Wayne County1,751,1691
Wexford County34,12246

Population: U.S. Census Bureau Population Estimates, 2023.

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Reviewed by Richard Lander, licensed insurance agent (NPN 21255551), Lander LLC. Last updated October 3, 2026. This page is educational and is not a quote, an offer of coverage, or legal or tax advice.

Do it yourself

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Medicare

Medicare Open Enrollment starts October 15th

Take a look at Michigan plans, or go ahead and enroll yourself. Call if you need any help with your application.

Under 65 · ACA

ACA Open Enrollment opens November 1st

Take a look at Michigan plans, or go ahead and enroll yourself when it opens. Call if you need any help with your application.

Questions along the way? Call 855-367-1095 for assistance.