Hartford County is located in the north central part of the U.S. state of Connecticut. As of the 2020 census, the population was 899,498. The county has a total area of 1,944 km2 (751 mi2). 1,905 km2 (735 mi2) of it is land and 39 km2 (15 mi2) of it is water. The total area is 2.02% water.