Johnston is located in South Carolina. Johnston, South Carolina has a population of 2,476. Johnston is more family-centric than the surrounding county with 22.44% of the households containing married families with children. The county average for households married with children is 22.3%.
The median household income in Johnston, South Carolina is $35,432. The median household income for the surrounding county is $47,500 compared to the national median of $57,652. The median age of people living in Johnston is 36.4 years.
The average high temperature in July is 91.2 degrees, with an average low temperature in January of 31.5 degrees. The average rainfall is approximately 46.9 inches per year, with 1.1 inches of snow per year.
