Population.us > Settlements > Illinois > Rock Island city

Population of Rock Island, IL

Last official estimated population of Rock Island city (Rock Island County**, Illinois state) was 38,642 (year 2014)[1]. This was 0.012% of total US population and 0.3% of total Illinois state population. Area of Rock Island city is 17.1 mi² (=44.2 km²)[6], in this year population density was 2,264.80 p/mi². If population growth rate would be same as in period 2010-2014 (-0.24%/yr), Rock Island city population in 2021 would be 37,993*.


Historical population

Historical population of Rock Island city for period 1850-2014:

Rock Island city on population map

Estimated population for 2014[1]. Click on flag to hide it.

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Annual growth rate

[1850-1860] +11.61 %/yr
[1860-1870] +4.4 %/yr
[1870-1880] +3.98 %/yr
[1880-1890] +1.58 %/yr
[1890-1900] +3.64 %/yr
[1900-1910] +2.24 %/yr
[1910-1920] +3.75 %/yr
[1920-1930] +0.76 %/yr
[1930-1940] +1.2 %/yr
[1940-1950] +1.31 %/yr
[1950-1960] +0.63 %/yr
[1960-1970] -0.33 %/yr
[1970-1980] -0.69 %/yr
[1980-1990] -1.43 %/yr
[1990-2000] -0.23 %/yr
[2000-2005] -0.36 %/yr
[2005-2010] +0.05 %/yr
[2010-2014] -0.24 %/yr

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Settlements near Rock Island city

Davenport city population 5.9 mi, 349°
Moline city 4.7 mi, 79°
Bettendorf city 8.6 mi, 39°
Silvis city 9.2 mi, 77°
Milan village 2.6 mi, 156°
Coal Valley village 6.6 mi, 102°
Andalusia village 7.2 mi, 250°
Oak Grove village 4 mi, 173°
Riverdale city 7.7 mi, 53°
Panorama Park city 8.9 mi, 48°


Sources, notices

*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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