Poplar Grove is located in Illinois. Poplar Grove, Illinois has population of 5,357. Poplar Grove is more family-centric than the surrounding county with 42% of the households with children.
The median household income in Poplar Grove, Illinois is $73,083. The median household income for the surrounding county is $65,107 compared to the national median of $61,963. The median age of people living in Poplar Grove is 37.6 years.
The average high temperature in July is 83.48 degrees, with an average low temperature in January of 11.11 degrees. The annual precipitation is 34.4.