Strawberry Plains is an unincorporated community and census-designated place in Jefferson, Knox, and Sevier counties in the State of Tennessee, United States. Before 2010, it was treated by the United States Census Bureau as a census county division. It is included in both the Knoxville Metropolitan Statistical Area and the Morristown Metropolitan Statistical Area. The population of the CDP, which only covers the Jefferson County portion of the community, was 2,405 at the 2020 census.