Last official estimated population of Ayr city (Cass County**, North Dakota state) was 17 (year 2014)[1]. This was 0% of total US population and 0% of total North Dakota state population. Area of Ayr city is 0.1 mi² (=0.2 km²)[6], in this year population density was 202.38 p/mi². If population growth rate would be same as in period 2010-2014 (0%/yr), Ayr city population in 2026 would be 17*.
Historical population of Ayr city for period 1930-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1930-1940] +0.09 %/yr
[1940-1950] -0.28 %/yr
[1950-1960] -2.47 %/yr
[1960-1970] -5.1 %/yr
[1970-1980] -1.33 %/yr
[1980-1990] -7.63 %/yr
[1990-2000] +1.93 %/yr
[2000-2005] -2.76 %/yr
[2005-2010] -3.2 %/yr
[2010-2014] 0 %/yr
• Casselton city population
16.5 mi, 
127°
• Arthur city
13.5 mi, 
71°
• Hunter city
16.6 mi, 
51°
• Tower City city
11.8 mi, 
227°
• Page city
8.9 mi, 
336°
• Buffalo city
8.8 mi, 
198°
• Oriska city
16 mi, 
241°
• Galesburg city
16.3 mi, 
13°
• Amenia city
12.8 mi, 
100°
• Pillsbury city
18.4 mi, 
308°
*Calculated by population.us from last known population growth rate, not official data.
**Some cities are placed on more than one county. Only 1 county is shown.
[1] Cities and Towns (Incorporated Places and Minor Civil Divisions) 2014, archived from the original, retrieved 02/23/2016
[2] City and Town Intercensal Estimates (2000-2010), archived from the original, retrieved 02/23/2016
[3] Places: 1990 and 1999 Populations, With Numeric and Percent Population Change, archived from the original, retrieved 02/23/2016
[4] Population of the 100 Largest Urban Places: 1980,
[5] Population of the 100 Largest Urban Places in history,
[6] Area, latitude longitude data, retrieved 02/23/2016
[7] Through the Decades, Overview 1790-2010, PDF, large files! >100 Mb
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