Counties with the longest life expectancy in Connecticut Stacker #3. Middlesex County - Life expectancy: 80.5 years--- 0.9 years higher than the state average #2. Tolland County - Life expectancy: 80.7 years--- 1.1 years higher than the state average #1. Fairfield County - Life expectancy: 81.6 years--- 2.0 years higher than the state averageThis story features data reporting by Karim Noorani, writing by Kiersten Hickman, and is part of a series utilizing data automation across 50 states. Canva