| Rank | County | Percentage of Seniors | 
|---|---|---|
| 1 | Litchfield County, Connecticut | 17.3% | 
| 2 | Middlesex County, Connecticut | 16.6% | 
| 3 | New London County, Connecticut | 15.1% | 
| 4 | Hartford County, Connecticut | 15.1% | 
| 5 | New Haven County, Connecticut | 15.0% | 
| 6 | Fairfield County, Connecticut | 14.0% | 
| 7 | Windham County, Connecticut | 13.8% | 
| 8 | Tolland County, Connecticut | 13.0% | 
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