By the Numbers

As of July 2024, more than 50% of the eligible Medicare population, or nearly 34 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.

Enrollment Map

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, the penetration rates, and the demographics for a selected state or district.

Click a state in the map to view related data

Medicare Advantage Penetration Rates

0-12%

12-24%

24-36%

36-48%

48%+

NOTE: Humana obtained Medicare Advantage enrollment data from the Centers for Medicare & Medicaid Services’ (CMS) 2025 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 July 1, 2024 – by market and product. This data excludes any impact of Military services membership. Data from July 2025 will become available in February 2026 and will be implemented thereafter.

By the Numbers

Enrollment Map

Click a state in the map to view related data

Select Full State

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Medicare Advantage Enrollment

Income

Age

Race

Humana State Totals

Enrollment Map

Click a state in the map to view related data

Select Full State

Back to National Map View

Medicare Advantage Enrollment

Income

Age

Race

Humana State Totals