Last official estimated population of Erwin town (Kingsbury County**, South Dakota state) was 44 (year 2014)[1]. This was 0% of total US population and 0.01% of total South Dakota state population. Area of Erwin town is 0.5 mi² (=1.2 km²)[6], in this year population density was 92.44 p/mi². If population growth rate would be same as in period 2010-2014 (-0.56%/yr), Erwin town population in 2026 would be 41*.
Historical population of Erwin town for period 1900-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1900-1910] +5.79 %/yr
[1910-1920] +1.12 %/yr
[1920-1930] -2.24 %/yr
[1930-1940] -1.18 %/yr
[1940-1950] -1.72 %/yr
[1950-1960] +0.26 %/yr
[1960-1970] -3.85 %/yr
[1970-1980] -4.63 %/yr
[1980-1990] -4.42 %/yr
[1990-2000] +3.28 %/yr
[2000-2005] -2.92 %/yr
[2005-2010] -2.09 %/yr
[2010-2014] -0.56 %/yr
• De Smet city population
8.9 mi, 
217°
• Lake Preston city
9.3 mi, 
159°
• Lake Norden city
13 mi, 
60°
• Bryant city
7.2 mi, 
349°
• Hayti town
16.5 mi, 
44°
• Willow Lake city
13.7 mi, 
314°
• Badger town
11.5 mi, 
90°
• Hetland town
12.7 mi, 
126°
• Vienna town
15.1 mi, 348°
• Bancroft town
15.3 mi, 
270°
*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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