Last official estimated population of Rockford city (Floyd County**, Iowa state) was 851 (year 2014)[1]. This was 0% of total US population and 0.03% of total Iowa state population. Area of Rockford city is 0.6 mi² (=1.6 km²)[6], in this year population density was 1,348.65 p/mi². If population growth rate would be same as in period 2010-2014 (-0.26%/yr), Rockford city population in 2026 would be 825*.
Historical population of Rockford city for period 1880-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position

[1880-1890] +3.17 %/yr
[1890-1900] +0.67 %/yr
[1900-1910] -1.63 %/yr
[1910-1920] +1.19 %/yr
[1920-1930] -0.34 %/yr
[1930-1940] +0.57 %/yr
[1940-1950] -0.74 %/yr
[1950-1960] -0.4 %/yr
[1960-1970] -0.42 %/yr
[1970-1980] +1.16 %/yr
[1980-1990] -1.25 %/yr
[1990-2000] +0.19 %/yr
[2000-2005] -0.65 %/yr
[2005-2010] -0.46 %/yr
[2010-2014] -0.26 %/yr
• Mason City city population
14.3 mi,
297°
• Charles City city
13.8 mi,
86°
• Nora Springs city
7 mi,
334°
• Greene city
13 mi,
145°
• Rockwell city
13.1 mi,
247°
• Rudd city
5.6 mi,
22°
• Floyd city
11.7 mi,
63°
• Marble Rock city
7.3 mi,
146°
• Rock Falls city
12.8 mi,
326°
• Dougherty city
10.1 mi,
206°
*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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