Rutland County is a county located in the U.S. state of Vermont. As of the 2020 census, the population was 60,572, making it the second-most populous county in Vermont. Its county seat and most populous municipality is the city of Rutland.

Rutland is the only city in and the seat of Rutland County, Vermont, United States. As of the 2020 census, the city had a total population of 15,807. It is located approximately 65 miles (105 km) north of the Massachusetts state line, 35 miles (56 km) west of New Hampshire state line, and 20 miles (32 km) east of the New York state line. Rutland is the third largest city in the state of Vermont after Burlington and South Burlington. Rutland City is completely surrounded by Rutland Town, which is a separate municipality. The downtown area of the city is listed as a historic district on the National Register of Historic Places.