Clarks Summit is a city located in Pennsylvania. With a 2020 population of 4,789, it is the 198th largest city in Pennsylvania and the 4875th largest city in the United States. Clarks Summit is currently declining at a rate of -0.66% annually and its population has decreased by -6.39% since the most recent census, which recorded a population of 5,116 in 2010. Clarks Summit reached it's highest population of 5,433 in 1990. Spanning over 2 miles, Clarks Summit has a population density of 3,021 people per square mile.
The average household income in Clarks Summit is $79,533 with a poverty rate of 6.78%. The median rental costs in recent years comes to $970 per month, and the median house value is $199,300. The median age in Clarks Summit is 46.6 years, 44.9 years for males, and 49.5 years for females. For every 100 females there are 91.5 males.