Duo is located in West Virginia. Duo, West Virginia has a population of 433.
The median household income in Duo, West Virginia is $34,306. The median household income for the surrounding county is $40,483 compared to the national median of $57,652. The median age of people living in Duo is 43.4 years.
The average high temperature in July is 76.3 degrees, with an average low temperature in January of 17.1 degrees. The average rainfall is approximately 46.7 inches per year, with 32 inches of snow per year.