Seymour is located in Illinois. Seymour, Illinois has a population of 311. Seymour is more family-centric than the surrounding county with 30% households with children. The county percentage for households with children is 23%.
The median household income in Seymour, Illinois is $69,423. The median household income for the surrounding county is $56,059 compared to the national median of $66,222. The median age of people living in Seymour is 44 years.
The average high temperature in July is 85.2 degrees, with an average low temperature in January of 16.2 degrees. The annual precipitation is 41.06.