Health insurance in Indiana
286,454 Indiana residents bought a marketplace plan for 2026. What they were offered depended on which of the state's 85 counties they live in.
Source: CMS Marketplace Open Enrollment Public Use Files and US Census Small Area Health Insurance Estimates, 2026 release. Figures cover the under-65 population.
Where you enroll
Indiana uses the federally facilitated marketplace, so you enroll at HealthCare.gov on the federal calendar — the dates are here.
Medicaid covers the bottom of the range in Indiana
Indiana expanded Medicaid, so there is no coverage gap here: adults under 138% of the poverty guideline — about $22,025 for one person — go to Medicaid rather than falling between it and the subsidy.
479,812 under-65 Indiana residents are uninsured all the same, 9.1% of them — 24th of the 51 states and DC, and 0.9× the 26-state median of 9.9%.
How much choice Indiana counties get
Counties in Indiana carry between 3 and 5 insurers, so competition is fairly even across the state without being uniform.
No county in Indiana is down to a single insurer. Since the previous plan year, 85 counties in Indiana gained an insurer and none lost one.
How many Indiana residents buy on the marketplace
286,454 Indiana residents selected a marketplace plan for 2026. Against the state's under-65 population that is 54 per thousand, below the 26-state median of 79, and 22nd highest of the 26 states on this site.
Of those, 40,993 — 14% — were new rather than renewing, which is a fairly typical mix of new and renewing enrollees (13th of 26).
The spread inside Indiana
Marion County is the largest county we publish here, with 823,841 under-65 residents; Delaware County is the smallest, with 86,335. Marion County has 4 insurers offering 56 plans, and Delaware County has 3 offering 47.
The widest choice in Indiana is in Johnson County — 5 insurers, 71 plans. The narrowest is Lake County, with 3 insurers and 47 plans. Same state, same rules, 24 more plans to choose from.
Uninsured rates range from 4.6% in Hamilton County to 13.4% in Elkhart County — 2.9 times as high, within one state.
The 14 largest counties in Indiana
By under-65 population, covering 62% of the state's under-65 residents. Indiana has 85 counties with complete federal data; we publish pages for the largest.
| County | Under 65 | Uninsured | Insurers | Plans | Per 1,000 |
|---|---|---|---|---|---|
| Marion County | 823,841 | 11.0% | 4 | 56 | 69 |
| Lake County | 401,823 | 8.7% | 3 | 47 | 47 |
| Allen County | 331,114 | 9.3% | 3 | 47 | 53 |
| Hamilton County | 323,376 | 4.6% | 4 | 56 | 67 |
| St. Joseph County | 215,793 | 9.0% | 3 | 47 | 52 |
| Elkhart County | 173,285 | 13.4% | 3 | 47 | 48 |
| Hendricks County | 157,670 | 6.4% | 4 | 56 | 53 |
| Tippecanoe County | 152,506 | 8.2% | 3 | 47 | 35 |
| Vanderburgh County | 142,222 | 8.5% | 4 | 56 | 64 |
| Johnson County | 141,425 | 7.3% | 5 | 71 | 57 |
| Porter County | 139,877 | 7.2% | 3 | 47 | 39 |
| Monroe County | 107,596 | 8.0% | 3 | 47 | 51 |
| Madison County | 103,839 | 8.1% | 5 | 71 | 71 |
| Delaware County | 86,335 | 8.8% | 3 | 47 | 50 |
Source: CMS Marketplace Open Enrollment Public Use Files and US Census Small Area Health Insurance Estimates, 2026 release. "Per 1,000" is marketplace plan selections per thousand under-65 residents.
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