Ransom is a community located in the U.S. state of Illinois. It is within LaSalle County included in the Ottawa–Streator Micropolitan Statistical Area. It has a total area of 1.00 square miles at 41°9′21″N 88°39′11″W. The elevation is 706 feet above sea level. As of the 2010 census data, it had a total population of 384. The population density was 371.37/sq mi. Estimated per capita income in 2016 was $30,153. It has Zip code 60470.