Hillsdale is a city located in Oklahoma. With a 2020 population of 118, it is the 512th largest city in Oklahoma and the 18020th largest city in the United States. Hillsdale is currently declining at a rate of -1.67% annually and its population has decreased by -2.48% since the most recent census, which recorded a population of 121 in 2010. Hillsdale reached it's highest population of 127 in 2015. Spanning over 0 miles, Hillsdale has a population density of 327 people per square mile.
The average household income in Hillsdale is $60,653 with a poverty rate of 2.11%. The median rental costs in recent years comes to - per month, and the median house value is $57,900. The median age in Hillsdale is 47.1 years, 43.2 years for males, and 48 years for females. For every 100 females there are 126.2 males.