Last official estimated population of Superior city (Dickinson County**, Iowa state) was 129 (year 2014)[1]. This was 0% of total US population and 0% of total Iowa state population. Area of Superior city is 0.4 mi² (=1 km²)[6], in this year population density was 318.52 p/mi². If population growth rate would be same as in period 2010-2014 (-0.19%/yr), Superior city population in 2026 would be 126*.
Historical population of Superior city for period 1900-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1900-1910] -1.92 %/yr
[1910-1920] +2.65 %/yr
[1920-1930] -1.73 %/yr
[1930-1940] +3.19 %/yr
[1940-1950] +0.43 %/yr
[1950-1960] -2.31 %/yr
[1960-1970] -3.08 %/yr
[1970-1980] +3.07 %/yr
[1980-1990] -3.55 %/yr
[1990-2000] +0.67 %/yr
[2000-2005] -0.72 %/yr
[2005-2010] -0.75 %/yr
[2010-2014] -0.19 %/yr
• Estherville city population
6.1 mi, 
112°
• Spirit Lake city
8.4 mi, 
261°
• Arnolds Park city
10 mi, 
242°
• Okoboji city
10 mi, 
251°
• Orleans city
7 mi, 
273°
• Terril city
8.9 mi, 
187°
• Wahpeton city
12.3 mi, 248°
• Wallingford city
11 mi, 
135°
• Dunnell city
12.3 mi, 
44°
• Gruver city
12.5 mi, 
102°
*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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