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Montana Marketplace plans by county — 2026
56 counties in Montana are served by 1,791 Marketplace plans from 3 insurers in 2026. The benchmark silver premium at age 40, before subsidies, runs from $561.45 to $757 a month; the county average is $706.88. 892,202 residents are under 65.
| County | Plans | Insurers | Benchmark silver, age 40 | Lowest bronze, age 40 | Residents under 65 | Benchmark vs. prior year |
|---|
| Beaverhead County | 30 | 3 | $716.34 | $505 | 7,399 | +$112.75 |
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| Big Horn County | 30 | 3 | $716.34 | $505 | 11,077 | +$112.75 |
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| Blaine County | 30 | 3 | $716.34 | $505 | 5,786 | +$112.75 |
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| Broadwater County | 30 | 3 | $757 | $505 | 5,886 | +$111.04 |
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| Carbon County | 42 | 3 | $561.45 | $353.74 | 7,998 | +$119.63 |
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| Carter County | 30 | 3 | $716.34 | $505 | 901 | +$112.75 |
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| Cascade County | 39 | 3 | $748 | $479.30 | 67,992 | +$184.41 |
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| Chouteau County | 30 | 3 | $757 | $505 | 4,525 | +$111.04 |
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| Custer County | 30 | 3 | $716.34 | $505 | 9,479 | +$112.75 |
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| Daniels County | 30 | 3 | $716.34 | $505 | 1,021 | +$112.75 |
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| Dawson County | 30 | 3 | $716.34 | $505 | 6,959 | +$112.75 |
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| Deer Lodge County | 30 | 3 | $757 | $505 | 7,069 | +$111.04 |
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| Fallon County | 30 | 3 | $716.34 | $505 | 2,146 | +$112.75 |
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| Fergus County | 30 | 3 | $716.34 | $505 | 8,756 | +$112.75 |
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| Flathead County | 39 | 3 | $671.37 | $424.39 | 87,343 | +$135.80 |
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| Gallatin County | 39 | 3 | $748 | $479.30 | 107,209 | +$184.41 |
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| Garfield County | 30 | 3 | $716.34 | $505 | 805 | +$112.75 |
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| Glacier County | 30 | 3 | $716.34 | $505 | 11,835 | +$112.75 |
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| Golden Valley County | 30 | 3 | $716.34 | $505 | 640 | +$112.75 |
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| Granite County | 30 | 3 | $716.34 | $505 | 2,380 | +$112.75 |
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| Hill County | 30 | 3 | $716.34 | $505 | 13,523 | +$112.75 |
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| Jefferson County | 30 | 3 | $757 | $505 | 9,813 | +$111.04 |
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| Judith Basin County | 30 | 3 | $757 | $505 | 1,532 | +$111.04 |
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| Lake County | 39 | 3 | $671.37 | $424.39 | 24,667 | +$135.80 |
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| Lewis and Clark County | 39 | 3 | $748 | $479.30 | 58,621 | +$184.41 |
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| Liberty County | 30 | 3 | $716.34 | $505 | 1,531 | +$112.75 |
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| Lincoln County | 30 | 3 | $716.34 | $505 | 14,793 | +$112.75 |
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| Madison County | 30 | 3 | $716.34 | $505 | 6,384 | +$112.75 |
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| McCone County | 30 | 3 | $716.34 | $505 | 1,162 | +$112.75 |
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| Meagher County | 30 | 3 | $716.34 | $505 | 1,310 | +$112.75 |
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| Mineral County | 30 | 3 | $716.34 | $505 | 3,565 | +$112.75 |
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| Missoula County | 39 | 3 | $671.37 | $424.39 | 99,989 | +$135.80 |
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| Musselshell County | 42 | 3 | $561.45 | $353.74 | 3,658 | +$119.63 |
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| Park County | 30 | 3 | $716.34 | $505 | 13,350 | +$112.75 |
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| Petroleum County | 30 | 3 | $716.34 | $505 | 321 | +$112.75 |
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| Phillips County | 30 | 3 | $716.34 | $505 | 3,208 | +$112.75 |
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| Pondera County | 30 | 3 | $716.34 | $505 | 4,716 | +$112.75 |
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| Powder River County | 30 | 3 | $716.34 | $505 | 1,270 | +$112.75 |
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| Powell County | 30 | 3 | $716.34 | $505 | 5,581 | +$112.75 |
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| Prairie County | 30 | 3 | $716.34 | $505 | 723 | +$112.75 |
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| Ravalli County | 30 | 3 | $716.34 | $505 | 34,105 | +$112.75 |
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| Richland County | 30 | 3 | $716.34 | $505 | 9,272 | +$112.75 |
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| Roosevelt County | 30 | 3 | $716.34 | $505 | 9,240 | +$112.75 |
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| Rosebud County | 30 | 3 | $716.34 | $505 | 6,732 | +$112.75 |
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| Sanders County | 30 | 3 | $716.34 | $505 | 8,901 | +$112.75 |
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| Sheridan County | 30 | 3 | $716.34 | $505 | 2,836 | +$112.75 |
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| Silver Bow County | 30 | 3 | $757 | $505 | 28,813 | +$111.04 |
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| Stillwater County | 39 | 3 | $561.45 | $353.74 | 6,868 | +$119.63 |
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| Sweet Grass County | 42 | 3 | $561.45 | $353.74 | 2,761 | +$119.63 |
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| Teton County | 30 | 3 | $757 | $505 | 4,887 | +$111.04 |
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| Toole County | 30 | 3 | $716.34 | $505 | 4,149 | +$112.75 |
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| Treasure County | 30 | 3 | $716.34 | $505 | 565 | +$112.75 |
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| Valley County | 30 | 3 | $716.34 | $505 | 5,676 | +$112.75 |
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| Wheatland County | 30 | 3 | $716.34 | $505 | 1,460 | +$112.75 |
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| Wibaux County | 30 | 3 | $716.34 | $505 | 949 | +$112.75 |
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| Yellowstone County | 42 | 3 | $561.45 | $353.74 | 138,065 | +$119.63 |
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Montana Medicare plans by county
This page summarizes publicly available CMS data. It does not recommend plans and is not an application. To check subsidy eligibility and enroll, use HealthCare.gov or talk to a licensed agent. HealthCare.gov plan preview.