Some of the cities, towns, and places in Chittenden County are Bolton, Bolton Valley, Buels Gore, Burlington, Charlotte, Colchester, East Charlotte, Essex, Essex Junction, Hanksville, Hinesburg, Huntington, Huntington Center, Jericho, Jonesville, Milton, Richmond, Shelburne, South Burlington, St. George, Underhill, Underhill Center, Underhill Flats, West Charlotte, Westford, Williston, Winooski
Chittenden County () is the most populous county in the U.S. state of Vermont. As of the 2020 census, the population was 168,323. The county seat is Vermont's most populous municipality, the city of Burlington. The county has over a quarter of Vermont's population and more than twice the population of Vermont's second most populous county, Rutland. The county also has more than twice the population density of Vermont's second most dense county, Washington. The county is named for Vermont's first governor and one of the framers of its constitution as an independent republic and later U.S. state, Thomas Chittenden.
The county has most of Vermont's fastest growing municipalities. It is one of the three counties that comprise the Burlington metropolitan area, along with the counties of Franklin and Grand Isle to the north and northwest, respectively. The University of Vermont (UVM), Vermont's largest university, is located in the county, as well as its affiliated hospital, the UVM Medical Center (which is Vermont's largest hospital and collectively forms the largest employer in the state along with the university). Vermont's largest private employer (GlobalFoundries) and largest airport (Burlington International Airport) are in the localities of Essex Junction and South Burlington, respectively.
The Vermont Army National Guard is based at Camp Johnson in the town of Colchester. The Vermont Air National Guard is based at the Burlington Air National Guard Base on the grounds of the Burlington International Airport in South Burlington.