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 Windham–Bennington–Windsor-1 District includes all of the Windham County towns of Jamaica, Londonderry, and Stratton, the Bennington County town of Winhall, and the Windsor County town of Weston.
The one member Windham–Bennington–Windsor-1 District had a population of 4,123 in that same census, 1.58% above the state average.