Last official estimated population of Grinnell city (Poweshiek County**, Iowa state) was 9,069 (year 2014)[1]. This was 0.003% of total US population and 0.29% of total Iowa state population. Area of Grinnell city is 5.5 mi² (=14.4 km²)[6], in this year population density was 1,635.23 p/mi². If population growth rate would be same as in period 2010-2014 (-0.41%/yr), Grinnell city population in 2025 would be 8,672*.
Historical population of Grinnell city for period 1860-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1860-1870] +14.22 %/yr
[1870-1880] +5 %/yr
[1880-1890] +3.27 %/yr
[1890-1900] +1.47 %/yr
[1900-1910] +2.71 %/yr
[1910-1920] +0.63 %/yr
[1920-1930] -0.8 %/yr
[1930-1940] +0.53 %/yr
[1940-1950] +2.72 %/yr
[1950-1960] +0.76 %/yr
[1960-1970] +1.32 %/yr
[1970-1980] +0.54 %/yr
[1980-1990] +0.12 %/yr
[1990-2000] +0.16 %/yr
[2000-2005] +0.32 %/yr
[2005-2010] -0.1 %/yr
[2010-2014] -0.41 %/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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