Danville, IN has a population of 9,482 and is the 4,102nd largest city in the United States. The population density is 1,368 per sq mi which is 628% higher than the Indiana average and 1410% higher than the national average. The median age in Danville is 36 which is approximately 3% lower than the Indiana average of 37. In Danville, 63% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 69% of Danville residents were born in Indiana, 28% were born out of state, 1% were born outside of the United States and 2% were foreign born.