Final answer:
Essex is the second largest county and Rutland is another county both located in the state of Vermont.
Step-by-step explanation:
The state that has Essex as its second largest county and also includes Rutland is Vermont. Essex County, located in the northeastern part of Vermont, is the state's second-largest county by land area, following Chittenden County. Rutland County, on the other hand, is located toward the western part of the state and is known for its historical significance and natural beauty, including being near the Taconic Mountains and Green Mountains.