It is one of the 108 one or two member districts into which the state was divided by the redistricting and reapportionment plan developed by the Vermont General Assembly following the 2000 United States census.
The plan applies to legislatures elected in 2002, 2004, 2006, 2008, and 2010.
A new plan will be developed in 2012 following the 2010 United States census.
The Washington-Chittenden-1 District includes all of the Washington County towns of Duxbury and Waterbury, and the Chittenden County town of Huntington, and the gore of Buel's Gore.
The two member Washington-Chittenden-1 District had a population of 8,077 in that same census, 0.51% below the state average.