Alvin is located in South Carolina. Alvin, South Carolina has a population of 3,518.
The median household income in Alvin, South Carolina is $36,699. The median household income for the surrounding county is $56,697 compared to the national median of $57,652. The median age of people living in Alvin is 36.3 years.
The average high temperature in July is 92.8 degrees, with an average low temperature in January of 35 degrees. The average rainfall is approximately 50.9 inches per year, with 0 inches of snow per year.