Tennessee's 20th Senate district is one of 33 districts in the Tennessee Senate. It has been represented by Democrat Heidi Campbell since 2020, following her defeat of incumbent Republican Steven Dickerson.
District 20 covers many of Nashville's wealthy inner suburbs in Davidson County, including Forest Hills, Belle Meade, most of Oak Hill, and part of Goodlettsville. The rest of the district consists of parts of outer Nashville proper.
The district is located in Tennessee's 5th, 6th, and 7th congressional districts
Tennessee Senators are elected to staggered four-year terms, with odd-numbered districts holding elections in midterm years and even-numbered districts holding elections in presidential years.