Plattville is located in Illinois. Plattville, Illinois has a population of 263. Plattville is less family-centric than the surrounding county with 33.82% of the households containing married families with children. The county average for households married with children is 43.85%.
The median household income in Plattville, Illinois is $84,375. The median household income for the surrounding county is $89,860 compared to the national median of $57,652. The median age of people living in Plattville is 32.7 years.
The average high temperature in July is 83.7 degrees, with an average low temperature in January of 13.8 degrees. The average rainfall is approximately 38 inches per year, with 26.6 inches of snow per year.