Litchfield County is located in the northwestern corner of the U.S. State of Connecticut. As of the 2020 census, the population was 185,186. The county has a total area of 2,446 km2 (945 mi2). 2,383 km2 (920 mi2) of it is land and 64 km2 (25 mi2) of it is water. The total area is 2.61% water.