Bristol is a suburban city located in Hartford County, Connecticut, United States, 20 miles southwest-west of Hartford. The city is also 120 mile…Bristol is a suburban city located in Hartford County, Connecticut, United States, 20 miles southwest-west of Hartford. The city is also 120 miles southwest from Boston, and approximately 100 miles northeast of New York City. The city is part of the Naugatuck Valley Planning Region. As of the 2020 census, the population of the city was 61,844.