Mercer is located in Missouri. Mercer, Missouri has a population of 432. Mercer is less family-centric than the surrounding county with 14% households with children. The county percentage for households with children is 19%.
The median household income in Mercer, Missouri is $35,300. The median household income for the surrounding county is $49,561 compared to the national median of $66,222. The median age of people living in Mercer is 45.2 years.
The average high temperature in July is 85.1 degrees, with an average low temperature in January of 14.1 degrees. The annual precipitation is 36.11.