Old Hickory is located in Tennessee. Old Hickory, Tennessee 37138has a population of 24,105. Old Hickory 37138 is more family-centric than the surrounding county with 31.42% of the households containing married families with children. The county average for households married with children is 28.77%.
The median household income in Old Hickory, Tennessee 37138 is $79,182. The median household income for the surrounding county is $66,047 compared to the national median of $69,021. The median age of people living in Old Hickory 37138 is 42.7 years.
The average high temperature in July is 89.1 degrees, with an average low temperature in January of 27.2 degrees. The average rainfall is approximately 49.2 inches per year, with 2.8 inches of snow per year.
