Ayr is located in east North Dakota. Ayr is part of Cass County. Ayr has 0.08 square miles of land area and has no water area. As of 2010-2014, the total Ayr population is 20, which has shrunk 13.04% since 2000. The population growth rate is much lower than the state average rate of 9.77% and is much lower than the national average rate of 11.61%. Ayr median household income is $61,250 in 2010-2014 and has grown by 30.67% since 2000. The income growth rate is much lower than the state average rate of 60.61% and is higher than the national average rate of 27.36%. Ayr median house value is $81,700 in 2005-2009 and has grown by 334.57% since 2000. The house value growth rate is much higher than the state average rate of 90.86% and is much higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Ayr is much better than the state average in quality. The Ayr area code is 701.