Illinois Health Insurance Guide 2026

Illinois residents can purchase health insurance through the Get Covered Illinois state-based marketplace. With 7 insurance companies offering plans in the state, Illinois provides strong competition and a good selection of plans for consumers.

The average monthly premium for an individual health insurance plan in Illinois is approximately $478 before subsidies, with an average deductible of $4,700. These figures represent benchmark Silver plan costs for a 40-year-old and will vary based on your age, tobacco use, and specific plan selection.

Medicaid in Illinois

Illinois expanded Medicaid in 2014, extending coverage to adults with household incomes up to 138% of the Federal Poverty Level (FPL). This means a single adult earning up to approximately $21,597 per year, or a family of four earning up to $44,367, may qualify for Medicaid coverage. Since expansion, Illinois has seen its uninsured rate decrease significantly, currently at 6.2%.

Choosing a Plan in Illinois

When selecting a health insurance plan in Illinois, consider the following factors specific to your state:

• Provider networks: With 7 insurers, you have good options to find plans that include your preferred doctors and hospitals.
• Premium vs. total cost: The average premium of $478/month is near the national average.
• Metal tier strategy: With an average deductible of $4,700, Illinois residents who expect moderate healthcare use should strongly consider Silver plans, especially if eligible for cost-sharing reductions.
• Enrollment timing: Open enrollment runs Nov 1 - Jan 15. Mark your calendar and do not wait until the last minute, as marketplace systems can experience heavy traffic near deadlines.

Cost-Saving Tips for Illinois Residents

To minimize your health insurance costs in Illinois:

1. Always check your subsidy eligibility on Get Covered Illinois before assuming you cannot afford coverage.
2. If your income is below 250% FPL, choose a Silver plan to get cost-sharing reductions that reduce your deductible and copays.
3. Compare plans from all 7 available insurers, as premiums can vary significantly for similar coverage levels.
4. Consider an HDHP with HSA if you are healthy and want to build tax-advantaged medical savings.
5. Check if your state offers any additional premium assistance programs beyond federal subsidies.

Key Dates for Illinois Health Insurance

The open enrollment period for Illinois runs from Nov 1 - Jan 15. If you enroll by December 15, your coverage typically starts January 1. Enrollments after December 15 (but before the deadline) usually have a February 1 start date. Remember that Special Enrollment Periods are available year-round if you experience qualifying life events such as job loss, marriage, birth of a child, or a move.

Estimated monthly premiums before subsidies. Actual costs depend on specific plan, insurer, and zip code.