Old Monroe is located in Missouri. Old Monroe, Missouri has a population of 256. Old Monroe is less family-centric than the surrounding county with 28.07% of the households containing married families with children. The county average for households married with children is 33.16%.
The median household income in Old Monroe, Missouri is $41,250. The median household income for the surrounding county is $58,603 compared to the national median of $57,652. The median age of people living in Old Monroe is 50.2 years.
The average high temperature in July is 89.4 degrees, with an average low temperature in January of 20.6 degrees. The average rainfall is approximately 41.6 inches per year, with 16.6 inches of snow per year.