Effingham is located in South Carolina. Effingham, South Carolina has a population of 10,766. Effingham is more family-centric than the surrounding county with 33.07% of the households containing married families with children. The county average for households married with children is 27.12%.
The median household income in Effingham, South Carolina is $46,687. The median household income for the surrounding county is $43,310 compared to the national median of $57,652. The median age of people living in Effingham is 39.2 years.
The average high temperature in July is 91.1 degrees, with an average low temperature in January of 32.5 degrees. The average rainfall is approximately 46.8 inches per year, with 0.7 inches of snow per year.
