Hartford is an unincorporated community in central Hartford Township, Trumbull County, Ohio, United States. Although it is unincorporated, it has a post office, with the ZIP code of 44424. It lies at the intersection of State Routes 7 and 305.
The community is part of the Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area.
The first settlement at Hartford was made about 1799; the community takes its name from Hartford, Connecticut.
Coordinates: 41°18′41″N 80°34′06″W / 41.31139°N 80.56833°W