Gerlaw is located in Illinois. Gerlaw, Illinois has a population of 64. Gerlaw is less family-centric than the surrounding county with 0% of the households containing married families with children. The county average for households married with children is 27.76%.
The median household income in Gerlaw, Illinois is $59,531. The median household income for the surrounding county is $47,278 compared to the national median of $57,652. The median age of people living in Gerlaw is 68.9 years.
The average high temperature in July is 85.8 degrees, with an average low temperature in January of 15.7 degrees. The average rainfall is approximately 37.9 inches per year, with 24.9 inches of snow per year.