East Hartford is a town in the Capitol Planning Region, Connecticut, United States. The population was 51,045 at the 2020 census. The town is located on the east bank of the Connecticut River, directly across from Hartford, Connecticut. It is home to aerospace manufacturer Pratt & Whitney. It is also home to Pratt & Whitney Stadium at Rentschler Field, a stadium used mainly for soccer and football with a capacity of 40,000 people.

Hartford County is a county located in the north central part of the U.S. state of Connecticut. According to the 2020 census, the population was 899,498, making it the second-most populous county in Connecticut. Hartford County contains the city of Hartford, the state capital of Connecticut and the county's most populous city, with 121,054 residents at the 2020 census. Hartford County is included in the Hartford-East Hartford-Middletown metropolitan statistical area.