Mapleton, ND has a population of 886 and is the 15,904th largest city in the United States. The population density is 227 per sq mi which is 2191% higher than the North Dakota average and 150% higher than the national average. The median age in Mapleton is 31 which is approximately 12% lower than the North Dakota average of 35. In Mapleton, 72% of the population over 15 years of age are married, 90% speak English and 1% speak Spanish. 62% of Mapleton residents were born in North Dakota, 29% were born out of state, 0% were born outside of the United States and 8% were foreign born.