Carpio, ND has a population of 137 and is the 25,996th largest city in the United States. The population density is 217 per sq mi which is 2090% higher than the North Dakota average and 139% higher than the national average. The median age in Carpio is 29 which is approximately 19% lower than the North Dakota average of 35. In Carpio, 64% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 60% of Carpio residents were born in North Dakota, 40% were born out of state, 0% were born outside of the United States and 0% were foreign born.