Medicare Advantage plans in Idaho by county
For 2027, Idaho counties have between 3 and 27 Medicare Advantage plans. Choose your county to see how many include drug coverage, how many are Special Needs Plans, and how that compares with 2026.
| County | Plans for 2027 | Plans for 2026 |
|---|---|---|
| Ada County | 27 | 32 |
| Adams County | 9 | 16 |
| Bannock County | 13 | 17 |
| Bear Lake County | 9 | 11 |
| Benewah County | 5 | 9 |
| Bingham County | 12 | 17 |
| Blaine County | 7 | 14 |
| Boise County | 21 | 29 |
| Bonner County | 14 | 16 |
| Bonneville County | 18 | 18 |
| Boundary County | 9 | 10 |
| Butte County | 4 | 2 |
| Camas County | 12 | 13 |
| Canyon County | 27 | 32 |
| Caribou County | 9 | 11 |
| Cassia County | 9 | 17 |
| Clark County | 13 | 13 |
| Clearwater County | 9 | 9 |
| Custer County | 9 | 7 |
| Elmore County | 16 | 23 |
| Franklin County | 9 | 11 |
| Fremont County | 16 | 16 |
| Gem County | 22 | 30 |
| Gooding County | 14 | 19 |
| Idaho County | 5 | 10 |
| Jefferson County | 17 | 17 |
| Jerome County | 11 | 18 |
| Kootenai County | 15 | 16 |
| Latah County | 7 | 10 |
| Lemhi County | 3 | 4 |
| Lewis County | 5 | 7 |
| Lincoln County | 10 | 16 |
| Madison County | 13 | 14 |
| Minidoka County | 8 | 16 |
| Nez Perce County | 7 | 10 |
| Oneida County | 13 | 11 |
| Owyhee County | 21 | 30 |
| Payette County | 24 | 30 |
| Power County | 16 | 16 |
| Shoshone County | 12 | 13 |
| Teton County | 8 | 10 |
| Twin Falls County | 16 | 22 |
| Valley County | 16 | 24 |
| Washington County | 21 | 27 |
Source: CMS plan files for 2027 and 2026. Counts include Special Needs Plans, which only people who qualify can join.