Old Monroe is located in Missouri. Old Monroe, Missouri has a population of 330. Old Monroe is more family-centric than the surrounding county with 36% households with children. The county percentage for households with children is 33%.
The median household income in Old Monroe, Missouri is $66,154. The median household income for the surrounding county is $65,010 compared to the national median of $66,222. The median age of people living in Old Monroe is 39.6 years.
The average high temperature in July is 90.4 degrees, with an average low temperature in January of 18.6 degrees. The annual precipitation is 38.25.