Last official estimated population of Gray city (Audubon County**, Iowa state) was 59 (year 2014)[1]. This was 0% of total US population and 0% of total Iowa state population. Area of Gray city is 1.0 mi² (=2.6 km²)[6], in this year population density was 59.24 p/mi². If population growth rate would be same as in period 2010-2014 (-1.63%/yr), Gray city population in 2026 would be 48*.
Historical population of Gray city for period 1900-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1900-1910] -1.94 %/yr
[1910-1920] +2.85 %/yr
[1920-1930] -0.1 %/yr
[1930-1940] -0.64 %/yr
[1940-1950] +0.05 %/yr
[1950-1960] -1.21 %/yr
[1960-1970] -1.1 %/yr
[1970-1980] -2.9 %/yr
[1980-1990] -2.6 %/yr
[1990-2000] -0.12 %/yr
[2000-2005] -2.84 %/yr
[2005-2010] -2.36 %/yr
[2010-2014] -1.63 %/yr
• Audubon city population
9 mi, 
160°
• Manning city
6.2 mi, 
319°
• Manilla city
13.3 mi, 
285°
• Templeton city
5.7 mi, 
23°
• Irwin city
11.9 mi, 
252°
• Kimballton city
15.5 mi, 
197°
• Dedham city
9.6 mi, 
61°
• Halbur city
11.3 mi, 
3°
• Willey city
12.7 mi, 
41°
• Aspinwall city
9 mi, 
301°
*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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