Strawn, IL has a population of 102 and is the 26,879th largest city in the United States. The population density is 198 per sq mi which is 11% lower than the Illinois average and 118% higher than the national average. The median age in Strawn is 39 which is approximately 4% higher than the Illinois average of 37. In Strawn, 56% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 83% of Strawn residents were born in Illinois, 17% were born out of state, 0% were born outside of the United States and 0% were foreign born.