Connecticut counties by population

Number of counties: 8
Population: 3,605,330
Largest county: Fairfield County
Table of counties in Connecticut sorted by population from largest to smallest.
CountyPopulation
Fairfield County956,446
Hartford County898,636
New Haven County864,751
New London County269,131
Litchfield County185,175
Middlesex County164,568
Tolland County150,120
Windham County116,503

What is the largest county in Connecticut?

Fairfield County is the largest county in Connecticut with a population of 956,446.

TOP-5 counties by population in Connecticut:
  • Fairfield County
  • Hartford County
  • New Haven County
  • New London County
  • Litchfield County