Dayton is a city located in Rhea County Tennessee. It is also the county seat of Rhea County. With a 2020 population of 7,356, it is the 76th largest city in Tennessee and the 3843rd largest city in the United States . Dayton is currently declining at a rate of -0.01% annually but its population has increased by 2.29% since the most recent census, which recorded a population of 7,191 in 2010. Dayton reached it's highest population of in . Spanning over 8 miles, Dayton has a population density of 944 people per square mile.
The average household income in Dayton is $51,928 with a poverty rate of 28.13%. The median rental costs in recent years comes to $678 per month, and the median house value is $99,000. The median age in Dayton is 30.1 years, 27.4 years for males, and 31.4 years for females.