Hillsdale is located in Oklahoma. Hillsdale, Oklahoma has a population of 100. Hillsdale is less family-centric than the surrounding county with 6.67% of the households containing married families with children. The county average for households married with children is 27.79%.
The median household income in Hillsdale, Oklahoma is $58,750. The median household income for the surrounding county is $60,732 compared to the national median of $69,021. The median age of people living in Hillsdale is 47.7 years.
The average high temperature in July is 94.7 degrees, with an average low temperature in January of 22.9 degrees. The average rainfall is approximately 33.3 inches per year, with 11.4 inches of snow per year.