Callao is located in Missouri. Callao, Missouri has a population of 334. Callao is more family-centric than the surrounding county with 43.08% of the households containing married families with children. The county average for households married with children is 30.14%.
The median household income in Callao, Missouri is $29,750. The median household income for the surrounding county is $48,583 compared to the national median of $69,021. The median age of people living in Callao is 35.6 years.
The average high temperature in July is 87.2 degrees, with an average low temperature in January of 17.3 degrees. The average rainfall is approximately 42.2 inches per year, with 14.8 inches of snow per year.
