Expanded Bronze plans in Petroleum County
9 Expanded Bronze plans sold in Petroleum County, Montana, from 3 insurers, priced at age 30.
What people in Petroleum County actually paid
The prices below are the sticker price. Most people do not pay it. In 2026, the average plan in Petroleum County listed at $809 a month and the average person paid $189 after the advance premium tax credit.
Across the 56 Montana counties CMS published, the averages are $776 and $214; across the country, $829 and $183. Those are our averages of the county figures; every other number here is CMS’s own.
What you pay depends on your income and your household, and only HealthCare.gov can work it out for you. These are the county's published averages, not a quote.
Premiums at age 30: 212730405060
| Plan | Metal | Type | Premium at 30 | Deductible | Max out of pocket |
|---|---|---|---|---|---|
| Plus Bronze
Mountain Health CO-OP |
Expanded Bronze | PPO | $464.31 | $9,000 | $10,150 |
| Plus Bronze Standard
Mountain Health CO-OP |
Expanded Bronze | PPO | $464.47 | $7,500 | $10,000 |
| Peak PPO Bronze Standard
Mountain Health CO-OP |
Expanded Bronze | PPO | $469.51 | $7,500 | $10,000 |
| Core Bronze HSA 8300
PacificSource Health Plans |
Expanded Bronze | EPO | $475 | $8,300 | $8,300 |
| Peak PPO Bronze HDHP
Mountain Health CO-OP |
Expanded Bronze | PPO | $476.48 | $8,400 | $8,400 |
| Blue Preferred Bronze PPO℠ 201
Blue Cross and Blue Shield of Montana |
Expanded Bronze | PPO | $492.02 | $6,000 | $10,600 |
| Core Standard Expanded Bronze HSA
PacificSource Health Plans |
Expanded Bronze | EPO | $506 | $7,500 | $10,000 |
| Blue Preferred Bronze PPO℠ Standard
Blue Cross and Blue Shield of Montana |
Expanded Bronze | PPO | $516.18 | $7,500 | $10,000 |
| Blue Preferred Bronze PPO℠ 202
Blue Cross and Blue Shield of Montana |
Expanded Bronze | PPO | $551.53 | $4,400 | $8,300 |
Counties next to this one
Petroleum County is in Rating Area 4 of Montana. A rating area is the group of counties an insurer must price together, so a plan sold in two of them carries the same price in each. 12 other counties share it and are listed first; the rest are the largest in Montana.
| County | Plans | Insurers | Cheapest at 40 | Average paid after credit |
|---|---|---|---|---|
| Beaverhead County same rating area | 30 | 3 | $313.41 | $207 |
| Big Horn County same rating area | 30 | 3 | $313.41 | $129 |
| Blaine County same rating area | 30 | 3 | $313.41 | $167 |
| Carter County same rating area | 30 | 3 | $313.41 | $202 |
| Custer County same rating area | 30 | 3 | $313.41 | $223 |
| Daniels County same rating area | 30 | 3 | $313.41 | $230 |
| Dawson County same rating area | 30 | 3 | $313.41 | $209 |
| Fallon County same rating area | 30 | 3 | $313.41 | $207 |
| Fergus County same rating area | 30 | 3 | $313.41 | $244 |
| Garfield County same rating area | 30 | 3 | $313.41 | $234 |
| Glacier County same rating area | 30 | 3 | $313.41 | $138 |
| Golden Valley County same rating area | 30 | 3 | $313.41 | $241 |
Open enrollment for 2026 coverage runs 1 November 2025 to 15 January 2026 in most states. Outside that window you need a qualifying life event — losing other coverage, moving, marrying, having a child — to enrol.
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When next year’s premiums are posted for Petroleum County, or an insurer arrives or leaves.
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Premiums, deductibles, out-of-pocket maximums and cost sharing are reproduced from the HealthCare.gov Qualified Health Plan landscape file published by the Centers for Medicare & Medicaid Services for plan year 2026. What people actually paid comes from the CMS open-enrollment county public use file for 2026. CMS landscape file as loaded 17 September 2026. The state and national averages are our arithmetic over CMS’s county figures; nothing else on this page is calculated by us. This is not a complete list of your options and it is not advice: to see every plan and to enrol, use HealthCare.gov or call 1-800-318-2596.