Tennessee's 1st congressional district
Interactive map of district boundaries since January 3, 2023
Representative	Diana Harshbarger R–Kingsport
Distribution	57.46% urban[1] 42.54% rural
Population (2023)	788,014[2]
Median household income	$55,431[3]
Ethnicity	87.9%White 4.9%Hispanic 3.7%Two or more races 2.1%Black 0.8%Asian 0.6% other
Cook PVI	R+29[4]

Tennessee's 1st congressional district is the congressional district for northeastTennessee.

It covers all ofCarter,Cocke,Greene,Hamblen,Hancock,Hawkins,Johnson,Sullivan,Unicoi,Washington, andSevier counties, as well as parts ofJefferson County.

With aCook Partisan Voting Index rating of R+29, it is the most Republican district in Tennessee and the third most Republican in the country.^[4]