Oblong is located in Illinois. Oblong, Illinois has a population of 1,405. Oblong is more family-centric than the surrounding county with 39.06% of the households containing married families with children. The county average for households married with children is 33.68%.
The median household income in Oblong, Illinois is $49,900. The median household income for the surrounding county is $54,942 compared to the national median of $69,021. The median age of people living in Oblong is 35.2 years.
The average high temperature in July is 85.6 degrees, with an average low temperature in January of 20.9 degrees. The average rainfall is approximately 43.3 inches per year, with 13 inches of snow per year.
