Sinking Spring is a city located in Pennsylvania. With a 2020 population of 4,134, it is the 237th largest city in Pennsylvania and the 5303rd largest city in the United States. Sinking Spring is currently growing at a rate of 0.22% annually and its population has increased by 3.14% since the most recent census, which recorded a population of 4,008 in 2010. Spanning over 1 miles, Sinking Spring has a population density of 3,332 people per square mile.
The average household income in Sinking Spring is $78,140 with a poverty rate of 12.91%. The median rental costs in recent years comes to $1,093 per month, and the median house value is $184,300. The median age in Sinking Spring is 35.5 years, 36 years for males, and 33.9 years for females. For every 100 females there are 89.4 males.