Last official estimated population of Riverside city (Washington County**, Iowa state) was 1,042 (year 2014)[1]. This was 0% of total US population and 0.03% of total Iowa state population. Area of Riverside city is 1.8 mi² (=4.6 km²)[6], in this year population density was 590.37 p/mi². If population growth rate would be same as in period 2010-2014 (+1.21%/yr), Riverside city population in 2026 would be 1,204*.
Historical population of Riverside city for period 1880-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position

[1880-1890] +3.97 %/yr
[1890-1900] +1.39 %/yr
[1900-1910] -0.68 %/yr
[1910-1920] +0.23 %/yr
[1920-1930] -0.44 %/yr
[1930-1940] -0.08 %/yr
[1940-1950] -0.03 %/yr
[1950-1960] +0.39 %/yr
[1960-1970] +1.46 %/yr
[1970-1980] +0.86 %/yr
[1980-1990] +0.06 %/yr
[1990-2000] +1.25 %/yr
[2000-2005] +0.67 %/yr
[2005-2010] +0.41 %/yr
[2010-2014] +1.21 %/yr
• Iowa City city population
12.1 mi,
10°
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5.1 mi,
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• Cotter city
14.2 mi,
157°
*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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