Thomson 61285 Real EstateThomson is located in Illinois. Thomson, Illinois 61285has a population of 412. Thomson 61285 is less family-centric than the surrounding county with 19.16% of the households containing married families with children. The county average for households married with children is 23.24%. The median household income in Thomson, Illinois 61285 is $50,556. The median household income for the surrounding county is $54,959 compared to the national median of $69,021. The median age of people living in Thomson 61285 is 58.4 years. Thomson WeatherThe average high temperature in July is 84.8 degrees, with an average low temperature in January of 12.2 degrees. The average rainfall is approximately 36.9 inches per year, with 30.3 inches of snow per year. Thomson MapReal estate near ThomsonNearby CitiesNearby Cities Homes for Sale |