Lake County in West Tennessee was the least wealthy county for 2024. The county has a median income of $32,064, an investment income of $16,381, and a median home value of $96,098.

Tennessee state Senate districts are required to be numbered consecutively in counties with more than one district — Davidson County, home to Nashville, instead houses districts 17, 19, 20, and 21.

For example, Davidson County is not consecutively numbers. Nashville has Senate seats 17, 19, 20 and 21. Senate seat 18 belongs to Sen. Ferrell Haile, who covers Gallatin and Hendersonville.

The current map has districts 17, 19, 20 and 21 all within Davidson County, meaning three of the four senators representing Davidson County face reelection in the same year.