Counties with the highest rates of Medicare Advantage enrollment

Becker's Healthcare August 12, 2024
Rylee Wilson

In 38 U.S. counties, three in four Medicare beneficiaries are enrolled in Medicare Advantage, according to data from KFF.

In 2024, 54% of Medicare beneficiaries are enrolled in MA plans. Rates of MA enrollment vary by state, from a high of 63% in Michigan to a low of 2% in Alaska.

Monroe County, N.Y., where Rochester is located, has the highest rate of MA penetration in the U.S., with 82% of Medicare eligibles enrolled in an MA plan.

Here are the counties where more than 75% of the Medicare market is enrolled in MA:

Monroe County, N.Y.

MA penetration: 82%

MA enrollment: 128,459

Starr County, Texas

MA penetration: 81%

MA enrollment:...

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