Counties with the longest life expectancy in New Jersey Stacker #8. Union County - Life expectancy: 79.4 years--- 0.2 years higher than the state average #7. Monmouth County - Life expectancy: 79.8 years--- 0.6 years higher than the state average #6. Hudson County - Life expectancy: 80.0 years--- 0.8 years higher than the state average #5. Middlesex County - Life expectancy: 80.3 years--- 1.1 years higher than the state average #4. Morris County - Life expectancy: 81.7 years--- 2.5 years higher than the state average New Jersey small businesses thrive in these counties #3. Somerset County - Life expectancy: 81.8 years--- 2.6 years higher than the state average #2. Bergen County - Life expectancy: 81.9 years--- 2.7 years higher than the state average #1. Hunterdon County - Life expectancy: 82.9 years--- 3.7 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