Signal Mountain is a city located in Tennessee. With a 2020 population of 8,595, it is the 67th largest city in Tennessee and the 3418th largest city in the United States. Signal Mountain is currently growing at a rate of 0.16% annually and its population has increased by 13.78% since the most recent census, which recorded a population of 7,554 in 2010. Spanning over 8 miles, Signal Mountain has a population density of 1,029 people per square mile.
The average household income in Signal Mountain is $132,919 with a poverty rate of 1.88%. The median rental costs in recent years comes to $1,713 per month, and the median house value is $347,300. The median age in Signal Mountain is 44.2 years, 42.3 years for males, and 45.4 years for females. For every 100 females there are 90.2 males.