Elkville, IL has a population of 1,140 and is the 14,350th largest city in the United States. The population density is 1,493 per sq mi which is 572% higher than the Illinois average and 1548% higher than the national average. The median age in Elkville is 28 which is approximately 25% lower than the Illinois average of 37. In Elkville, 59% of the population over 15 years of age are married, 95% speak English and 3% speak Spanish. 81% of Elkville residents were born in Illinois, 15% were born out of state, 0% were born outside of the United States and 4% were foreign born.