Sullivan County Map
The County of Sullivan is located in the State of Tennessee. Find directions to Sullivan County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Sullivan County population is estimated at 158,755 people. The Sullivan County time zone is Eastern Daylight Time which is 5 hours behind Coordinated Universal Time (UTC).
Nearby counties include Carter County, Hawkins County, Johnson County, Washington County, Scott County, Washington County, Bristol city County.
Top cities include Kingsport, Bristol, Bluff City, Blountville, Bloomingdale