Black Rock is located in Arkansas. Black Rock, Arkansas has a population of 703. Black Rock is less family-centric than the surrounding county with 16.67% of the households containing married families with children. The county average for households married with children is 28.56%.
The median household income in Black Rock, Arkansas is $29,412. The median household income for the surrounding county is $37,603 compared to the national median of $57,652. The median age of people living in Black Rock is 42.5 years.
The average high temperature in July is 89.6 degrees, with an average low temperature in January of 25.2 degrees. The average rainfall is approximately 48.3 inches per year, with 1.6 inches of snow per year.