Kalona, IA has a population of 2,479 and is the 9,907th largest city in the United States. The population density is 1,151 per sq mi which is 2008% higher than the Iowa average and 1171% higher than the national average. The median age in Kalona is 43 which is approximately 14% higher than the Iowa average of 38. In Kalona, 65% of the population over 15 years of age are married, 95% speak English and 2% speak Spanish. 74% of Kalona residents were born in Iowa, 25% were born out of state, 0% were born outside of the United States and 1% were foreign born.