Whiteash, IL has a population of 328 and is the 21,993rd largest city in the United States. The population density is 375 per sq mi which is 69% higher than the Illinois average and 314% higher than the national average. The median age in Whiteash is 33 which is approximately 11% lower than the Illinois average of 37. In Whiteash, 65% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 82% of Whiteash residents were born in Illinois, 17% were born out of state, 0% were born outside of the United States and 0% were foreign born.