CMS Medicare enrollment · April 2026
Connecticut Medicare Enrollment
State and county enrollment from CMS, including Original Medicare, Medicare Advantage and Other Health Plans, and Part D coverage.
Informational only. These enrollment counts do not compare plans or provide medical, financial, or enrollment advice.
Connecticut enrollment figures
- Total Medicare enrollment
- 780.4K
- Original Medicare
- 336.7K
- MA & Other share
- 56.9%
- Part D coverage
- 84.9%
780,366
336,715 beneficiaries
CMS combined delivery-system measure
662,287 beneficiaries
County enrollment
10 CMS county rows for Connecticut. Unavailable values remain marked as not reported rather than estimated.
| County | Total | Original Medicare | MA & Other | MA & Other share | Part D share |
|---|---|---|---|---|---|
| Capitol Planning Region | 210,576 | 76,644 | 133,932 | 63.6% | 87.1% |
| Greater Bridgeport Planning Region | 57,964 | 25,692 | 32,272 | 55.7% | 84.5% |
| Lower Connecticut River Valley Planning Region | 46,518 | 18,343 | 28,175 | 60.6% | 85.5% |
| Naugatuck Valley Planning Region | 101,364 | 40,153 | 61,211 | 60.4% | 85.3% |
| Northeastern Connecticut Planning Region | 23,444 | 9,670 | 13,774 | 58.8% | 84.7% |
| Northwest Hills Planning Region | 31,315 | 14,094 | 17,221 | 55% | 85.7% |
| South Central Connecticut Planning Region | 123,841 | 49,248 | 74,593 | 60.2% | 84.8% |
| Southeastern Connecticut Planning Region | 66,162 | 28,371 | 37,791 | 57.1% | 82.4% |
| Unknown | Not reported | Not reported | Not reported | Not reported | Not reported |
| Western Connecticut Planning Region | 119,057 | 74,432 | 44,625 | 37.5% | 81.8% |
Source and interpretation
CMS Medicare Monthly Enrollment, April 2026, published 2026-07-23. “MA & Other” retains the official combined CMS field label.
- CMS suppresses some small counts with an asterisk; suppressed values remain null in this snapshot.
- Medicare Advantage and Other Health Plans is the CMS-published combined measure and is not limited to Medicare Advantage alone.
- Enrollment counts describe a reporting month and do not compare plan benefits, provider networks, quality, or personal costs.