Oak Hill is a city located in Tennessee. With a 2020 population of 4,462, it is the 109th largest city in Tennessee and the 5090th largest city in the United States . Oak Hill is currently declining at a rate of -0.60% annually and its population has decreased by -1.48% since the most recent census, which recorded a population of 4,529 in 2010. Oak Hill reached it's highest population of in . Spanning over 8 miles, Oak Hill has a population density of 569 people per square mile.
The average household income in Oak Hill is $255,563 with a poverty rate of 0.68%. The median rental costs in recent years comes to $2,059 per month, and the median house value is $694,100. The median age in Oak Hill is 42.1 years, 41.7 years for males, and 44.2 years for females.