Thayer is located in Illinois. Thayer, Illinois 62689has a population of 673. Thayer 62689 is less family-centric than the surrounding county with 13.64% of the households containing married families with children. The county average for households married with children is 27.08%.
The median household income in Thayer, Illinois 62689 is $51,250. The median household income for the surrounding county is $58,687 compared to the national median of $57,652. The median age of people living in Thayer 62689 is 41.6 years.
The average high temperature in July is 85.9 degrees, with an average low temperature in January of 18.8 degrees. The average rainfall is approximately 38.5 inches per year, with 19.4 inches of snow per year.
