Raritan Real EstateRaritan is located in Illinois. Raritan, Illinois has a population of 81. Raritan is less family-centric than the surrounding county with 16.67% of the households containing married families with children. The county average for households married with children is 23.51%. The median household income in Raritan, Illinois is $58,750. The median household income for the surrounding county is $47,428 compared to the national median of $57,652. The median age of people living in Raritan is 59.8 years. Raritan WeatherThe average high temperature in July is 85.4 degrees, with an average low temperature in January of 15.3 degrees. The average rainfall is approximately 38.6 inches per year, with 21.8 inches of snow per year. Raritan MapReal estate near RaritanNearby CitiesNearby Cities Homes for Sale |