Medicare in St. Joseph County by the numbers
| St. Joseph County | Indiana | |
|---|---|---|
| Residents age 65 and older | 47,027 | 1,179,148 statewide |
| Share of residents age 65+ | 17.2% | 17.2% statewide |
| People with Medicare | 54,464 | 1,432,708 statewide |
| Enrolled in Medicare Advantage | 30,205 | 731,624 statewide |
| Medicare Advantage share | 55.5% | 51.1% statewide |
Figures come from the Census Bureau and CMS (September 2026).
St. Joseph County ranks 5th of 92 Indiana counties by number of residents age 65 and older, with about 47,027 people in that age group, or 17.2% of residents (statewide: 17.2%). About 16,038 more people are 60 to 64 and are heading toward Medicare; our turning 65 guide explains their first steps. By age, the 65-and-older group splits 60% ages 65 to 74, 29% ages 75 to 84 and 11% age 85 and up (Census 2023). About 55.5% of people with Medicare in St. Joseph County are enrolled in a Medicare Advantage plan. That is close to the Indiana average of 51.1%. A county average does not tell you which kind of plan fits you. Whether Medicare Advantage or Original Medicare with a Medigap plan is the better fit depends on your doctors, your prescriptions and how you want to handle costs, so we compare both for your ZIP code.
Who has Medicare in St. Joseph County
St. Joseph County sits in a metro area, which the USDA defines as counties in metro areas of 250,000 to 1 million population. That usually means more doctors, more hospitals and more plan choices in the area.
CMS counts 54,922 Medicare beneficiaries in St. Joseph County (2023). Their average age is 73, about the same as the Indiana average of 72. About 15% are “dual eligible,” meaning they have both Medicare and Medicaid, close to the state figure of 16%.
Among people in Original Medicare in St. Joseph County, CMS reported about 540 emergency room visits and 223 inpatient hospital stays per 1,000 beneficiaries in 2023, which is lower than the state average for emergency visits (619) and close to it for hospital stays (235). About 6% received home health care. These figures describe how people use care under Original Medicare; they do not show what any plan covers or costs.
Sources: CMS Medicare Geographic Variation, 2023; USDA Rural-Urban Continuum Codes, 2023.
Insurers choose which counties to serve each year, which means the Medicare Advantage and Part D plans you can pick in St. Joseph County can be different from the ones offered next door. We are not based in St. Joseph County; we help St. Joseph County residents by phone or video call.
Hospitals located in St. Joseph County
The Centers for Medicare & Medicaid Services (CMS) lists these hospitals in St. Joseph County:
- Memorial Hospital of South Bend — South Bend (acute care; nonprofit; emergency services; CMS overall rating 2 of 5)
- Saint Joseph Regional Medical Center — Mishawaka (acute care; nonprofit; emergency services; CMS overall rating 2 of 5)
- Unity Physicians Hospital — Mishawaka (acute care; physician-owned; no emergency department)
Network rules, not geography, decide whether a plan covers a hospital. We look up the hospitals and doctors you use and check them against each plan before you enroll. Ratings are CMS Care Compare overall hospital star ratings; they describe the hospital, not whether a plan covers it. Source: CMS Hospital General Information.
Communities and ZIP codes in St. Joseph County
The largest communities in St. Joseph County by 2023 Census population estimates are South Bend (103,395), Mishawaka (50,842), Osceola (2,593), Walkerton (2,091), New Carlisle (1,910), North Liberty (1,625). Each figure counts only the people living inside the county.
We look up plans by ZIP code. In St. Joseph County, that means areas such as 46530, 46536, 46544, 46545, 46552, 46554, 46556, 46561, 46595, 46601, 46613, 46614, 46615, 46616 and 6 more, based on Census ZIP Code Tabulation Areas that lie mostly in the county.
Questions about Medicare in St. Joseph County?
Reach out to us: fill out our short form or call (571) 354-0146, and a licensed agent will compare the plans available to you, check your doctors and drugs, and stay with you each year at renewal. For general Medicare information, the federal helpline is 1-800-MEDICARE (1-800-633-4227).
Medicare resources from official sources
- Medicare Plan Finder on Medicare.gov, searchable by ZIP code.
- Social Security: Medicare to enroll or check status.
- Medicare.gov: Medigap on how Medicare Supplement works.
- HealthCare.gov if you are not yet on Medicare.
- Indiana Department of Insurance: Indiana’s insurance regulator, including agent license lookup.
Coverage we offer St. Joseph County residents
As an independent agency we are not tied to one insurer, so for St. Joseph County residents we can compare life insurance, final expense insurance, annuities, Medicare Advantage, Medicare Supplement (Medigap), Part D drug plans, ACA health insurance, ICHRA and group health insurance.
Ready to compare plans in St. Joseph County?
Tell us your doctors and medicines and we will show you what fits. No cost, no pressure.
Get my plan comparisonPlain-English Medicare answers
- What happens if you do nothing during open enrollment?
- When can you switch Medicare plans? Every enrollment window
- What Medicare Part D actually costs
- Medigap Plan G vs. Plan N
St. Joseph County compared with similar Indiana counties
| County | Residents 65+ | Medicare Advantage share | Dual eligible share | Area type |
|---|---|---|---|---|
| Hamilton County | 53,693 | 42.7% | 8% | Metro |
| Vanderburgh County | 33,660 | 47.7% | 15% | Metro |
| Porter County | 33,101 | 39.9% | 12% | Metro |
| Elkhart County | 32,658 | 53.3% | 16% | Metro |
| Allen County | 63,254 | 64.5% | 21% | Metro |
| Hendricks County | 28,842 | 51.5% | 10% | Metro |
See every Indiana county in our Indiana directory or go to our Indiana Medicare hub.