Medicare in New Jersey by county

Most people with Medicare

Across New Jersey, 1,846,244 people had Medicare in July 2026, 41% of them in Medicare Advantage or another Medicare health plan. The counties with the most:

1. Bergen County 195,277 with Medicare · 37% in Medicare Advantage · 28 Advantage plans with drug coverage
2. Ocean County 169,742 with Medicare · 38% in Medicare Advantage · 24 Advantage plans with drug coverage
3. Middlesex County 158,441 with Medicare · 41% in Medicare Advantage · 25 Advantage plans with drug coverage
4. Monmouth County 149,080 with Medicare · 31% in Medicare Advantage · 29 Advantage plans with drug coverage
5. Essex County 130,089 with Medicare · 50% in Medicare Advantage · 27 Advantage plans with drug coverage
6. Morris County 107,334 with Medicare · 33% in Medicare Advantage · 29 Advantage plans with drug coverage
7. Camden County 106,773 with Medicare · 46% in Medicare Advantage · 34 Advantage plans with drug coverage
8. Burlington County 104,435 with Medicare · 42% in Medicare Advantage · 32 Advantage plans with drug coverage
9. Union County 97,742 with Medicare · 47% in Medicare Advantage · 31 Advantage plans with drug coverage
10. Passaic County 94,101 with Medicare · 49% in Medicare Advantage · 28 Advantage plans with drug coverage

All 21 counties, A to Z

• Atlantic County66,961 with Medicare · 44% in Medicare Advantage · 29 Advantage plans with drug coverage
• Bergen County195,277 with Medicare · 37% in Medicare Advantage · 28 Advantage plans with drug coverage
• Burlington County104,435 with Medicare · 42% in Medicare Advantage · 32 Advantage plans with drug coverage
• Camden County106,773 with Medicare · 46% in Medicare Advantage · 34 Advantage plans with drug coverage
• Cape May County31,513 with Medicare · 34% in Medicare Advantage · 26 Advantage plans with drug coverage
• Cumberland County30,754 with Medicare · 54% in Medicare Advantage · 26 Advantage plans with drug coverage
• Essex County130,089 with Medicare · 50% in Medicare Advantage · 27 Advantage plans with drug coverage
• Gloucester County65,404 with Medicare · 43% in Medicare Advantage · 32 Advantage plans with drug coverage
• Hudson County89,334 with Medicare · 55% in Medicare Advantage · 27 Advantage plans with drug coverage
• Hunterdon County32,545 with Medicare · 35% in Medicare Advantage · 22 Advantage plans with drug coverage
• Mercer County72,671 with Medicare · 46% in Medicare Advantage · 30 Advantage plans with drug coverage
• Middlesex County158,441 with Medicare · 41% in Medicare Advantage · 25 Advantage plans with drug coverage
• Monmouth County149,080 with Medicare · 31% in Medicare Advantage · 29 Advantage plans with drug coverage
• Morris County107,334 with Medicare · 33% in Medicare Advantage · 29 Advantage plans with drug coverage
• Ocean County169,742 with Medicare · 38% in Medicare Advantage · 24 Advantage plans with drug coverage
• Passaic County94,101 with Medicare · 49% in Medicare Advantage · 28 Advantage plans with drug coverage
• Salem County15,166 with Medicare · 43% in Medicare Advantage · 25 Advantage plans with drug coverage
• Somerset County66,979 with Medicare · 35% in Medicare Advantage · 27 Advantage plans with drug coverage
• Sussex County34,869 with Medicare · 35% in Medicare Advantage · 24 Advantage plans with drug coverage
• Union County97,742 with Medicare · 47% in Medicare Advantage · 31 Advantage plans with drug coverage
• Warren County27,034 with Medicare · 38% in Medicare Advantage · 24 Advantage plans with drug coverage

Sources: CMS Medicare Monthly Enrollment, July 2026, and the CMS 2027 plan landscape. Medicare Advantage here includes other Medicare health plans, such as cost plans and PACE. Before you meet any agent, check their New Jersey license.

Keep reading

• How to find a good Medicare agent near youWhere to look for a local Medicare agent, how to narrow the list to one or two, and the five-minute checks to do before you share anything.
• Medicare Open Enrollment checklist: what to check before December 7A step-by-step checklist for the October 15 to December 7, 2026 Open Enrollment Period: what to read in your plan's letter, what's changing for 2027, what you can switch, and what happens if you do nothing.
• Moving to another state with Medicare: what changes and what to doOriginal Medicare moves with you; most Medicare Advantage and drug plans don't. What happens to each kind of coverage when you move, your window to switch, and why your agent must be licensed in your new state.