Dana, IA has a population of 78 and is the 27,456th largest city in the United States. The population density is 277 per sq mi which is 407% higher than the Iowa average and 206% higher than the national average. The median age in Dana is 33 which is approximately 13% lower than the Iowa average of 38. In Dana, 72% of the population over 15 years of age are married, 94% speak English and 6% speak Spanish. 72% of Dana residents were born in Iowa, 23% were born out of state, 0% were born outside of the United States and 5% were foreign born.