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Michigan Medicare, by the Numbers

The data layer behind our Michigan guide and all 60 city pages, in one place: CMS enrollment, Census demographics, and federal shortage designations, county by county.

Plans we accept in Michigan covering ~78% of Michigan's Medicare beneficiaries
  • Original Medicare
  • UnitedHealthcare ~26% of MA members
  • Humana ~20% of MA members
  • Priority Health ~18% of MA members

Coverage data 2024. Plan networks change - we confirm exactly what your plan covers before any work begins.

2,293,204Medicare beneficiaries statewide (2025)
62.8%chose Medicare Advantage plans
345,407dual-eligible for Medicare and Michigan Medicaid
519,192Michiganders 65+ live alone
158 minmedian ER visit statewide (CMS)
274federal primary-care shortage designations

Medicare Enrollment by County

Counties covered by our city pages (31 counties, 1,750,632 beneficiaries). Each county links to its anchor city page.

County Medicare beneficiaries Medicare Advantage share Dual-eligible Residents 65+ Shortage designations
Wayne County 349,596 64.2% 84,594 286,427 18
Oakland County 274,582 54.8% 31,458 227,903 2
Macomb County 196,283 59.3% 31,066 156,538 2
Kent County 124,132 72.5% 17,394 95,484 4
Genesee County 96,947 67.7% 16,634 74,147 3
Washtenaw County 67,833 59.3% 7,857 56,244 2
Ottawa County 62,192 76.4% 4,845 48,462 1
Kalamazoo County 54,199 66.2% 7,819 41,295 2
Ingham County 53,064 66.6% 9,029 41,092 3
Saginaw County 48,091 67.5% 8,680 37,697 3
Muskegon County 42,885 73.8% 7,482 31,596 6
St. Clair County 41,967 62% 5,553 31,644 2
Jackson County 38,264 60.1% 5,580 29,730 5
Monroe County 38,131 60.3% 4,022 29,966 1
Calhoun County 31,784 56.4% 6,101 24,384 3
Bay County 28,577 62.8% 4,339 22,007 1
Grand Traverse County 26,558 63.9% 2,401 20,378 1
Lenawee County 25,297 59.6% 2,889 19,659 2
Midland County 20,407 64.8% 2,549 16,534 0
Shiawassee County 17,346 66.7% 2,306 13,253 1
Marquette County 16,782 60% 2,002 13,299 3
Isabella County 12,222 58.8% 2,025 8,818 9
Delta County 11,654 57.3% 1,598 9,421 4
Mecosta County 10,796 66% 1,509 8,133 4
Emmet County 10,539 53.5% 917 8,276 3
Alpena County 9,584 56.4% 1,627 7,075 3
Wexford County 9,420 63.7% 1,713 6,833 1
Chippewa County 8,790 58.7% 1,312 6,972 6
Houghton County 8,041 54.2% 1,184 6,637 4
Dickinson County 7,703 52.2% 949 6,138 8
Menominee County 6,966 56.2% 818 6,137 3

Statewide, 62.8% of beneficiaries chose Medicare Advantage in 2025. Counties above that line see more prior authorizations and more denials worth appealing; counties below it lean on Medigap timing, which in Michigan follows the federal rules with no birthday rule and no annual reset: the one guaranteed six-month window opens at 65, and Michigan requires only insurers that also sell major medical coverage to offer under-65 disability Medigap (Plans A and G), so getting the timing right the first time is what counts. About 9.3% of Michigan seniors live below the poverty line, the group most likely to qualify for unclaimed help: Extra Help and the Medicare Savings Programs, which MDHHS runs with an income and asset test. For the full rundown, sources included, see our Michigan patient advocacy hub.

The Numbers Are the Backdrop. The Help Is the Point.

One dedicated advocate for the bills, appeals, appointments, and paperwork, serving every Michigan county virtually, usually at $0 with Medicare.

Or start from your city: every Michigan city we serve.

Sources: CMS Medicare Monthly Enrollment (2025); US Census Bureau ACS 2023 5-year; CMS Care Compare Timely & Effective Care (median ER minutes, period ending 09/30/2025); HRSA Health Professional Shortage Area designation file. Data retrieved 2026-08-14. Understood Care is an independent private advocacy service, not a government agency.