As of July 2025, 51% of the eligible Medicare population, or nearly 35 million older Americans and individuals with disabilities, have made the choice to enroll in a Medicare Advantage plan. Use the interactive maps below for a closer look at the Medicare population in your state or district.
© Humana 2025
The following map displays data specific to Medicare enrollment numbers including the number of those populations eligible for Medicare, the number of those currently enrolled in Medicare Advantage, and the penetration rates for a selected state or district.
NOTE: Humana obtained Medicare Advantage July 2025 enrollment data from the Centers for Medicare & Medicaid Services’ (CMS) 2026 Congressional district data files. Statewide enrollment is a summation of district-level enrollment. This map does not reflect new Congressional redistricting lines.
Humana footprint data represents total medical membership as of May 19, 2026 – by market and product.