Hartford is an unincorporated community in central Hartford Township, Trumbull County, Ohio, United States. It has a post office with the ZIP code 44424.Zip Code Lookup 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.

Notable people Dave Blaney – NASCAR driver Dale Blaney – Basketball player and Sprint Car driver Lou Blaney – Former Sprint Car driver Ryan Blaney – NASCAR driver

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