McHenry County, Illinois: health insurance
What McHenry County residents should know about Medicare, marketplace plans and Medicaid.
McHenry County at a glance
| State | Illinois |
|---|---|
| Population (2023 est.) | 312,800 |
| Population rank in Illinois | 6 of 102 |
| Land area | 603 square miles |
Source: U.S. Census Bureau (Population Estimates 2023; Gazetteer 2023).
Why your county matters for coverage
In Illinois, the health plans you can choose depend on where you live. Medicare Advantage and Part D plans are offered by service area, usually county by county, and marketplace premiums and carriers are set by area as well. Living in McHenry County means the options on this page apply to you, and plans in a neighboring county may differ.
- Medicare: Illinois Senior Health Insurance Program (SHIP) gives free, unbiased counseling at 800-252-8966. Ask which plans serve McHenry County specifically.
- Marketplace plans: shop through Get Covered Illinois; enter your McHenry County ZIP code to see what is offered.
- Medicaid: apply through Illinois Department of Healthcare and Family Services (HFS).
Illinois note: Illinois is one of the most recent states to move off the federal Marketplace -- Get Covered Illinois only replaced HealthCare.gov as of the November 2025 open enrollment period, so older search results or bookmarks pointing to HealthCare.gov for Illinois are now out of date.
Questions about McHenry County
Are the same Medicare plans offered everywhere in Illinois?
No. Plans are offered by service area. A plan available in one county may not be offered in McHenry County, so check by county.
Where do McHenry County residents get free Medicare counseling?
Illinois Senior Health Insurance Program (SHIP) (800-252-8966) is Illinois's free SHIP program.
Do I have to enroll if I call?
No. Calling is a conversation about your options, and you are never required to enroll.
McHenry County residents: call 855-367-1095
Call Lander LLC to go over your options. There is no cost to call or to speak with an agent, and you are never required to enroll in anything.
Call 855-367-1095Other large counties
Reviewed by Richard Lander, licensed insurance agent (NPN 21255551), Lander LLC. Last updated October 3, 2026. This page is educational and is not a quote, an offer of coverage, or legal or tax advice.