Calvin is located in Oklahoma. Calvin, Oklahoma has a population of 401. Calvin is more family-centric than the surrounding county with 38.89% of the households containing married families with children. The county average for households married with children is 23.31%.
The median household income in Calvin, Oklahoma is $41,000. The median household income for the surrounding county is $42,425 compared to the national median of $69,021. The median age of people living in Calvin is 24.1 years.
The average high temperature in July is 93.5 degrees, with an average low temperature in January of 26.7 degrees. The average rainfall is approximately 43.5 inches per year, with 3.7 inches of snow per year.