Cornwall is a city located in Pennsylvania. With a 2020 population of 4,423, it is the 221st largest city in Pennsylvania and the 5106th largest city in the United States. Cornwall is currently growing at a rate of 0.80% annually and its population has increased by 7.56% since the most recent census, which recorded a population of 4,112 in 2010. Spanning over 10 miles, Cornwall has a population density of 456 people per square mile.
The average household income in Cornwall is $96,594 with a poverty rate of 4.79%. The median rental costs in recent years comes to $1,875 per month, and the median house value is $218,600. The median age in Cornwall is 55.2 years, 51.9 years for males, and 56.4 years for females. For every 100 females there are 104.8 males.