Home › Agent Hub › Agent Tools › Medicare plans by county › Idaho
Agent Tools
Idaho Medicare plans by county — 2026
44 counties in Idaho are served by 1,153 Medicare plans from 10 carriers in 2026. 202 Medicare Advantage plans have a $0 premium. 328,636 residents are 65 or older.
| County | Plans | Carriers | $0 premium | Avg. stars | Residents 65+ | Plans vs. prior year |
|---|
| Ada County | 42 | 10 | 12 | 3.8 | 84,270 | |
|---|
| Adams County | 26 | 7 | 5 | 3.7 | 1,429 | |
|---|
| Bannock County | 27 | 7 | 3 | 3.7 | 13,708 | |
|---|
| Bear Lake County | 21 | 6 | 3 | 3.7 | 1,410 | |
|---|
| Benewah County | 19 | 6 | 3 | 3.8 | 2,426 | |
|---|
| Bingham County | 27 | 7 | 3 | 3.7 | 7,538 | |
|---|
| Blaine County | 24 | 7 | 3 | 3.7 | 5,665 | |
|---|
| Boise County | 39 | 9 | 11 | 3.7 | 2,339 | |
|---|
| Bonner County | 26 | 8 | 3 | 3.6 | 13,477 | |
|---|
| Bonneville County | 28 | 8 | 3 | 3.7 | 17,950 | |
|---|
| Boundary County | 20 | 6 | 3 | 3.8 | 3,093 | |
|---|
| Butte County | 12 | 6 | 1 | 3.0 | 544 | |
|---|
| Camas County | 23 | 7 | 3 | 3.6 | 217 | |
|---|
| Canyon County | 42 | 10 | 12 | 3.8 | 36,467 | |
|---|
| Caribou County | 21 | 6 | 3 | 3.7 | 1,298 | |
|---|
| Cassia County | 27 | 8 | 3 | 3.7 | 3,693 | |
|---|
| Clark County | 23 | 6 | 3 | 3.7 | 103 | |
|---|
| Clearwater County | 19 | 6 | 3 | 3.8 | 2,614 | |
|---|
| Custer County | 17 | 6 | 3 | 3.8 | 1,634 | |
|---|
| Elmore County | 33 | 9 | 8 | 3.6 | 4,338 | |
|---|
| Franklin County | 21 | 6 | 3 | 3.7 | 2,249 | |
|---|
| Fremont County | 26 | 7 | 3 | 3.6 | 2,547 | |
|---|
| Gem County | 40 | 10 | 11 | 3.7 | 4,755 | |
|---|
| Gooding County | 29 | 9 | 3 | 3.6 | 2,940 | |
|---|
| Idaho County | 20 | 6 | 3 | 3.8 | 5,124 | |
|---|
| Jefferson County | 27 | 7 | 3 | 3.7 | 3,954 | |
|---|
| Jerome County | 28 | 8 | 3 | 3.6 | 3,363 | |
|---|
| Kootenai County | 26 | 8 | 3 | 3.6 | 36,591 | |
|---|
| Latah County | 20 | 6 | 3 | 3.8 | 6,078 | |
|---|
| Lemhi County | 14 | 5 | 2 | 4.0 | 2,550 | |
|---|
| Lewis County | 17 | 6 | 3 | 3.8 | 1,043 | |
|---|
| Lincoln County | 26 | 8 | 3 | 3.6 | 825 | |
|---|
| Madison County | 24 | 7 | 3 | 3.7 | 2,945 | |
|---|
| Minidoka County | 26 | 7 | 3 | 3.7 | 3,576 | |
|---|
| Nez Perce County | 20 | 6 | 3 | 3.8 | 8,998 | |
|---|
| Oneida County | 21 | 6 | 3 | 3.7 | 949 | |
|---|
| Owyhee County | 40 | 10 | 11 | 3.7 | 2,414 | |
|---|
| Payette County | 40 | 10 | 11 | 3.7 | 5,288 | |
|---|
| Power County | 26 | 7 | 3 | 3.6 | 1,381 | |
|---|
| Shoshone County | 23 | 7 | 3 | 3.8 | 3,214 | |
|---|
| Teton County | 20 | 6 | 3 | 3.7 | 1,778 | |
|---|
| Twin Falls County | 32 | 9 | 6 | 3.7 | 15,548 | |
|---|
| Valley County | 34 | 10 | 8 | 3.6 | 3,349 | |
|---|
| Washington County | 37 | 9 | 11 | 3.8 | 2,964 | |
|---|
All states ·
Compare two counties ·
Drug Cost Estimator
This page summarizes publicly available CMS data. It is not a plan finder and does not recommend plans. To compare and enroll in plans, use Medicare.gov or talk to a licensed agent. Medicare.gov plan finder.