Plainview is located in Illinois. Plainview, Illinois has a population of290.
The median household income in Plainview, Illinois is $48,622. The median household income for the surrounding county is $56,452 compared to the national median of $66,222. The median age of people living in Plainview is 40.4 years.
The average high temperature in July is 87.73 degrees, with an average low temperature in January of 18.46 degrees. The annual precipitation is 37.86.