CheapestACA Plans

Montana

Cheapest ACA plans in Sheridan, Montana for 2026

Plan year 2026, last refreshed 2026-04-19T08:08:55.462Z.

Sheridan is in Madison County, Montana. 4 carriers sell 2026 ACA plans on Healthcare.gov for residents of Madison County, and the cheapest Bronze plan a 40-year-old can enroll in starts at $505/month before any subsidy. Carriers are licensed and rated at the county level, so the plans below cover everyone in Madison County, including Sheridan.

Cheapest plans by metal tier

Lowest 2026 monthly premium for a single 40-year-old in Sheridan (Madison County), on-exchange, before any subsidy. Per-age figures derived from the CMS QHP Landscape file using the HHS standardized age-rating curve (45 CFR 147.102).

TierCheapest age 40 monthlyPlans in Madison County
Catastrophic$3132
Bronze$5051
Expanded Bronze$5239
Silver$7089
Gold$7459

The actual cheapest Bronze plan in Sheridan

PacificSource Health Plans Core Bronze HSA 10600

$505/mo
BronzeDeductible $10,600MOOP $10,600HSA-eligible

For a family of four (two 40-year-olds and two kids under 14): PacificSource Health Plans Core Bronze HSA 10600 at $1,614/month before subsidies.

Carriers selling 2026 plans in Sheridan

4 carriers sell 2026 plans on Healthcare.gov for Madison County residents. 34 plans total in Madison County.

CarrierOn-exchange plans
Montana Health Cooperative11
Blue Cross and Blue Shield of Montana10
PacificSource Health Plans8
Mountain Health CO-OP1

What you'll actually pay in Sheridan

Estimated monthly net premium for the cheapest Bronze plan above ($505/mo before subsidy) on Healthcare.gov, after federal APTC. APTC is computed against the Madison Countybenchmark Silver per 26 USC §36B. Approximate; exact net varies by plan's EHB% and child-rate structure.

Single 40-year-old

Annual incomeFPL %Federal APTCCheapest Bronze net
$25,000160%$620/mo$0/mo
$40,000256%$430/mo$75/mo
$60,000383%$219/mo$286/mo
$100,000639%$505/mo

Family of 4 (two 40-year-olds, two children)

Annual incomeFPL %Federal APTCCheapest Bronze net
$40,000124%Medicaid likely
$80,000249%$1,731/mo$0/mo
$130,000404%$1,614/mo
$200,000622%$1,614/mo

FPL = Federal Poverty Level. APTC = Advance Premium Tax Credit (the federal subsidy). Off-exchange and Catastrophic plans are not APTC-eligible. Enter your real income on the home page to see plan-specific net premium with the per-plan EHB-percent cap applied.

Frequently asked questions

What is the cheapest ACA plan in Sheridan, Montana for 2026?

The cheapest Bronze plan a 40-year-old can enroll in is PacificSource Health Plans Core Bronze HSA 10600 at $505 per month before subsidies. Plans sell through Healthcare.gov. Sheridan is in Madison County, Montana; carriers are licensed and rated at the county level. Data refreshed 2026-04-19T08:08:55.462Z.

How does Sheridan's 2026 ACA pricing compare to other Montana cities?

Cheapest Bronze for a 40-year-old in Sheridan is $505 per month before subsidies. For comparison: Billings at $354/mo; Missoula at $424/mo; Helena at $479/mo. Different cities can have different cheapest plans because plans are sold per county and carrier participation varies by jurisdiction.

Does Montana use Healthcare.gov?

Yes. Montana participates in the federally-facilitated Marketplace (FFM), so enrollment and subsidy applications run through healthcare.gov. Montana does not operate a state-based exchange.

Has Montana expanded Medicaid?

Yes, effective January 2016, via the HELP Act (Health and Economic Livelihood Partnership), a §1115 waiver program. Adults 19-64 with income up to 138% FPL qualify, so there is no coverage gap in Montana.

How does the Montana reinsurance waiver affect premiums?

The Montana Reinsurance Association Program is a §1332 state innovation waiver active since PY2020. It reimburses carriers for a portion of high-cost individual-market claims, which lowers gross premiums on Healthcare.gov for all Montana enrollees (subsidized and unsubsidized alike). Rate impact varies by year.

More Montana pricing

Sources

Plan year 2026, last refreshed 2026-04-19T08:08:55.462Z. Full pricing pipeline + regulatory references at methodology; ACA terminology in the glossary.