Rhea County Flag

Rhea County

State:
Tennessee
County Seat:
Dayton

Rhea County's estimated 2026 population is 35,639 with a growth rate of 1.25% in the past year according to the most recent United States census data. Rhea County is the 45th largest county in Tennessee. The 2010 population was 31,860 and has seen a growth of 11.86% since that time.

35,639
Total Population
113
Population Density (mi²)
45
Population Rank (State)
440 1.25%
Annual Population Growth

Rhea County Population

Demographics

Economics and Income Statistics