Hartford is a town in Windsor County, Vermont, United States. It is on the New Hampshire border, at the intersection of Interstates 89 and 91. It is the site of the confluence of the White and Connecticut rivers; the Ottauquechee River also flows through the town. The town is composed of five unincorporated villages: Hartford, Quechee, West Hartford, White River Junction and Wilder. As of the 2020 census, the population was 10,686.

Windsor County is a county located in the U.S. state of Vermont. As of the 2020 census, the population was 57,753. The shire town is the town of Woodstock. The county's largest municipality is the town of Hartford.