Kaneville, IL has a population of 421 and is the 20,589th largest city in the United States. The population density is 1,343 per sq mi which is 489% higher than the Illinois average and 1382% higher than the national average. The median age in Kaneville is 41 which is approximately 10% higher than the Illinois average of 37. In Kaneville, 66% of the population over 15 years of age are married, 94% speak English and 1% speak Spanish. 80% of Kaneville residents were born in Illinois, 15% were born out of state, 0% were born outside of the United States and 5% were foreign born.