Grantley is a city located in Pennsylvania. Grantley has a 2020 population of 3,901. Grantley is currently declining at a rate of 0.00% annually and its population has increased by 7.52% since the most recent census, which recorded a population of 3,628 in 2010. Grantley reached it's highest population of 3,912 in 2016.
The average household income in Grantley is $149,601 with a poverty rate of 1.64%. The median rental costs in recent years comes to $1,233 per month, and the median house value is $263,100. The median age in Grantley is 21.4 years, 21.6 years for males, and 21.2 years for females. For every 100 females there are 80.9 males.