Prairie Grove is located in Illinois. Prairie Grove, Illinois has a population of 2,257. Prairie Grove is less family-centric than the surrounding county with 30% households with children. The county percentage for households with children is 33%.
The median household income in Prairie Grove, Illinois is $101,422. The median household income for the surrounding county is $87,114 compared to the national median of $66,222. The median age of people living in Prairie Grove is 43.3 years.
The average high temperature in July is 82.3 degrees, with an average low temperature in January of 9.6 degrees. The annual precipitation is 33.71.