Last official estimated population of Guernsey city (Poweshiek County**, Iowa state) was 62 (year 2014)[1]. This was 0% of total US population and 0% of total Iowa state population. Area of Guernsey city is 0.2 mi² (=0.5 km²)[6], in this year population density was 336.96 p/mi². If population growth rate would be same as in period 2010-2014 (-0.4%/yr), Guernsey city population in 2025 would be 59*.
Historical population of Guernsey city for period 1910-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1910-1920] +1.56 %/yr
[1920-1930] +0.58 %/yr
[1930-1940] -3.73 %/yr
[1940-1950] -0.68 %/yr
[1950-1960] -0.45 %/yr
[1960-1970] -1.38 %/yr
[1970-1980] -1.24 %/yr
[1980-1990] -1.69 %/yr
[1990-2000] -0.59 %/yr
[2000-2005] -0.3 %/yr
[2005-2010] -0.62 %/yr
[2010-2014] -0.4 %/yr
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*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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