Ayr, ND has a population of 23 and is the 28,725th largest city in the United States. The population density is 272 per sq mi which is 2650% higher than the North Dakota average and 200% higher than the national average. The median age in Ayr is 27 which is approximately 24% lower than the North Dakota average of 35. In Ayr, 17% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 43% of Ayr residents were born in North Dakota, 57% were born out of state, 0% were born outside of the United States and 0% were foreign born.