Last official estimated population of Blockton city (Taylor County**, Iowa state) was 189 (year 2014)[1]. This was 0% of total US population and 0.01% of total Iowa state population. Area of Blockton city is 0.7 mi² (=1.7 km²)[6], in this year population density was 290.77 p/mi². If population growth rate would be same as in period 2010-2014 (-0.39%/yr), Blockton city population in 2026 would be 180*.
Historical population of Blockton city for period 1900-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1900-1910] -0.83 %/yr
[1910-1920] -2.1 %/yr
[1920-1930] +0.25 %/yr
[1930-1940] -0.95 %/yr
[1940-1950] -1.8 %/yr
[1950-1960] -1.7 %/yr
[1960-1970] -2.26 %/yr
[1970-1980] +0.25 %/yr
[1980-1990] -4.59 %/yr
[1990-2000] +0.61 %/yr
[2000-2005] +0.11 %/yr
[2005-2010] +0.53 %/yr
[2010-2014] -0.39 %/yr
• Grant City town population
9.7 mi, 
159°
• Clearfield city
12.7 mi, 
358°
• Sheridan town
9.9 mi, 
226°
• Redding city
4.8 mi, 
96°
• Allendale village
13.5 mi, 
132°
• Benton city
8.6 mi, 
45°
• Conway city
11.8 mi, 
320°
• Maloy city
5.2 mi, 
43°
• Delphos city
7.9 mi, 
66°
• Irena village
7 mi, 
138°
*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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