Medicare in Pennsylvania by county

Most people with Medicare

Across Pennsylvania, 3,041,571 people had Medicare in July 2026, 54% of them in Medicare Advantage or another Medicare health plan. The counties with the most:

1. Allegheny County 283,879 with Medicare · 69% in Medicare Advantage · 50 Advantage plans with drug coverage
2. Philadelphia County 266,602 with Medicare · 60% in Medicare Advantage · 49 Advantage plans with drug coverage
3. Montgomery County 194,028 with Medicare · 37% in Medicare Advantage · 46 Advantage plans with drug coverage
4. Bucks County 160,031 with Medicare · 41% in Medicare Advantage · 54 Advantage plans with drug coverage
5. Lancaster County 126,934 with Medicare · 52% in Medicare Advantage · 66 Advantage plans with drug coverage
6. Delaware County 122,416 with Medicare · 41% in Medicare Advantage · 47 Advantage plans with drug coverage
7. Chester County 115,426 with Medicare · 32% in Medicare Advantage · 53 Advantage plans with drug coverage
8. York County 107,474 with Medicare · 53% in Medicare Advantage · 62 Advantage plans with drug coverage
9. Westmoreland County 102,802 with Medicare · 72% in Medicare Advantage · 43 Advantage plans with drug coverage
10. Berks County 95,027 with Medicare · 47% in Medicare Advantage · 65 Advantage plans with drug coverage

All 67 counties, A to Z

• Adams County28,903 with Medicare · 43% in Medicare Advantage · 53 Advantage plans with drug coverage
• Allegheny County283,879 with Medicare · 69% in Medicare Advantage · 50 Advantage plans with drug coverage
• Armstrong County18,487 with Medicare · 76% in Medicare Advantage · 48 Advantage plans with drug coverage
• Beaver County45,636 with Medicare · 71% in Medicare Advantage · 48 Advantage plans with drug coverage
• Bedford County14,078 with Medicare · 66% in Medicare Advantage · 40 Advantage plans with drug coverage
• Berks County95,027 with Medicare · 47% in Medicare Advantage · 65 Advantage plans with drug coverage
• Blair County33,177 with Medicare · 65% in Medicare Advantage · 48 Advantage plans with drug coverage
• Bradford County16,126 with Medicare · 51% in Medicare Advantage · 52 Advantage plans with drug coverage
• Bucks County160,031 with Medicare · 41% in Medicare Advantage · 54 Advantage plans with drug coverage
• Butler County51,705 with Medicare · 69% in Medicare Advantage · 42 Advantage plans with drug coverage
• Cambria County38,527 with Medicare · 76% in Medicare Advantage · 36 Advantage plans with drug coverage
• Cameron County1,538 with Medicare · 58% in Medicare Advantage · 38 Advantage plans with drug coverage
• Carbon County18,168 with Medicare · 43% in Medicare Advantage · 51 Advantage plans with drug coverage
• Centre County28,338 with Medicare · 62% in Medicare Advantage · 45 Advantage plans with drug coverage
• Chester County115,426 with Medicare · 32% in Medicare Advantage · 53 Advantage plans with drug coverage
• Clarion County9,914 with Medicare · 62% in Medicare Advantage · 40 Advantage plans with drug coverage
• Clearfield County21,111 with Medicare · 60% in Medicare Advantage · 40 Advantage plans with drug coverage
• Clinton County9,303 with Medicare · 65% in Medicare Advantage · 41 Advantage plans with drug coverage
• Columbia County16,658 with Medicare · 51% in Medicare Advantage · 40 Advantage plans with drug coverage
• Crawford County23,007 with Medicare · 57% in Medicare Advantage · 42 Advantage plans with drug coverage
• Cumberland County62,889 with Medicare · 53% in Medicare Advantage · 61 Advantage plans with drug coverage
• Dauphin County63,363 with Medicare · 61% in Medicare Advantage · 61 Advantage plans with drug coverage
• Delaware County122,416 with Medicare · 41% in Medicare Advantage · 47 Advantage plans with drug coverage
• Elk County8,973 with Medicare · 46% in Medicare Advantage · 32 Advantage plans with drug coverage
• Erie County66,078 with Medicare · 65% in Medicare Advantage · 48 Advantage plans with drug coverage
• Fayette County36,875 with Medicare · 67% in Medicare Advantage · 42 Advantage plans with drug coverage
• Forest County1,927 with Medicare · 66% in Medicare Advantage · 33 Advantage plans with drug coverage
• Franklin County38,875 with Medicare · 44% in Medicare Advantage · 48 Advantage plans with drug coverage
• Fulton County4,026 with Medicare · 47% in Medicare Advantage · 46 Advantage plans with drug coverage
• Greene County8,961 with Medicare · 70% in Medicare Advantage · 46 Advantage plans with drug coverage
• Huntingdon County11,558 with Medicare · 62% in Medicare Advantage · 50 Advantage plans with drug coverage
• Indiana County21,208 with Medicare · 76% in Medicare Advantage · 33 Advantage plans with drug coverage
• Jefferson County12,114 with Medicare · 61% in Medicare Advantage · 41 Advantage plans with drug coverage
• Juniata County5,843 with Medicare · 62% in Medicare Advantage · 55 Advantage plans with drug coverage
• Lackawanna County55,967 with Medicare · 45% in Medicare Advantage · 44 Advantage plans with drug coverage
• Lancaster County126,934 with Medicare · 52% in Medicare Advantage · 66 Advantage plans with drug coverage
• Lawrence County24,279 with Medicare · 72% in Medicare Advantage · 50 Advantage plans with drug coverage
• Lebanon County35,725 with Medicare · 54% in Medicare Advantage · 64 Advantage plans with drug coverage
• Lehigh County81,892 with Medicare · 48% in Medicare Advantage · 64 Advantage plans with drug coverage
• Luzerne County77,984 with Medicare · 46% in Medicare Advantage · 44 Advantage plans with drug coverage
• Lycoming County29,689 with Medicare · 58% in Medicare Advantage · 46 Advantage plans with drug coverage
• McKean County10,695 with Medicare · 53% in Medicare Advantage · 36 Advantage plans with drug coverage
• Mercer County30,458 with Medicare · 69% in Medicare Advantage · 46 Advantage plans with drug coverage
• Mifflin County11,924 with Medicare · 60% in Medicare Advantage · 51 Advantage plans with drug coverage
• Monroe County40,245 with Medicare · 45% in Medicare Advantage · 44 Advantage plans with drug coverage
• Montgomery County194,028 with Medicare · 37% in Medicare Advantage · 46 Advantage plans with drug coverage
• Montour County4,875 with Medicare · 61% in Medicare Advantage · 57 Advantage plans with drug coverage
• Northampton County80,357 with Medicare · 44% in Medicare Advantage · 63 Advantage plans with drug coverage
• Northumberland County24,291 with Medicare · 59% in Medicare Advantage · 36 Advantage plans with drug coverage
• Perry County11,805 with Medicare · 60% in Medicare Advantage · 65 Advantage plans with drug coverage
• Philadelphia County266,602 with Medicare · 60% in Medicare Advantage · 49 Advantage plans with drug coverage
• Pike County17,328 with Medicare · 35% in Medicare Advantage · 26 Advantage plans with drug coverage
• Potter County4,982 with Medicare · 54% in Medicare Advantage · 41 Advantage plans with drug coverage
• Schuylkill County37,640 with Medicare · 48% in Medicare Advantage · 51 Advantage plans with drug coverage
• Snyder County9,229 with Medicare · 60% in Medicare Advantage · 51 Advantage plans with drug coverage
• Somerset County21,069 with Medicare · 71% in Medicare Advantage · 47 Advantage plans with drug coverage
• Sullivan County2,195 with Medicare · 52% in Medicare Advantage · 43 Advantage plans with drug coverage
• Susquehanna County11,425 with Medicare · 47% in Medicare Advantage · 44 Advantage plans with drug coverage
• Tioga County11,450 with Medicare · 53% in Medicare Advantage · 36 Advantage plans with drug coverage
• Union County9,187 with Medicare · 55% in Medicare Advantage · 56 Advantage plans with drug coverage
• Venango County15,119 with Medicare · 70% in Medicare Advantage · 41 Advantage plans with drug coverage
• Warren County11,103 with Medicare · 54% in Medicare Advantage · 41 Advantage plans with drug coverage
• Washington County56,151 with Medicare · 69% in Medicare Advantage · 49 Advantage plans with drug coverage
• Wayne County15,021 with Medicare · 37% in Medicare Advantage · 49 Advantage plans with drug coverage
• Westmoreland County102,802 with Medicare · 72% in Medicare Advantage · 43 Advantage plans with drug coverage
• Wyoming County7,501 with Medicare · 55% in Medicare Advantage · 49 Advantage plans with drug coverage
• York County107,474 with Medicare · 53% in Medicare Advantage · 62 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 Pennsylvania 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.