Effingham is located in South Carolina. Effingham, South Carolina has a population of 9,874. Effingham is less family-centric than the surrounding county with 28% households with children. The county percentage for households with children is 28%.
The median household income in Effingham, South Carolina is $52,454. The median household income for the surrounding county is $49,121 compared to the national median of $66,222. The median age of people living in Effingham is 41 years.
The average high temperature in July is 90.7 degrees, with an average low temperature in January of 35.2 degrees. The annual precipitation is 47.2.