Overly, ND has a population of 20 and is the 28,776th largest city in the United States. The population density is 54 per sq mi which is 445% higher than the North Dakota average and 41% lower than the national average. The median age in Overly is 31 which is approximately 13% lower than the North Dakota average of 35. In Overly, 91% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 100% of Overly residents were born in North Dakota, 0% were born out of state, 0% were born outside of the United States and 0% were foreign born.