Villisca, IA has a population of 1,255 and is the 13,758th largest city in the United States. The population density is 659 per sq mi which is 1107% higher than the Iowa average and 628% higher than the national average. The median age in Villisca is 43 which is approximately 12% higher than the Iowa average of 38. In Villisca, 59% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 64% of Villisca residents were born in Iowa, 35% were born out of state, 0% were born outside of the United States and 1% were foreign born.