Last official estimated population of Sycamore city (DeKalb County**, Illinois state) was 17,753 (year 2014)[1]. This was 0.006% of total US population and 0.14% of total Illinois state population. Area of Sycamore city is 9.8 mi² (=25.3 km²)[6], in this year population density was 1,818.21 p/mi². If population growth rate would be same as in period 2010-2014 (+0.33%/yr), Sycamore city population in 2026 would be 18,474*.
Historical population of Sycamore city for period 1850-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1850-1860] +14.16 %/yr
[1860-1870] +4.46 %/yr
[1870-1880] +4.41 %/yr
[1880-1890] -0.14 %/yr
[1890-1900] +2.03 %/yr
[1900-1910] +0.72 %/yr
[1910-1920] -0.86 %/yr
[1920-1930] +1.11 %/yr
[1930-1940] +1.58 %/yr
[1940-1950] +2.32 %/yr
[1950-1960] +1.65 %/yr
[1960-1970] +1.2 %/yr
[1970-1980] +1.63 %/yr
[1980-1990] +0.82 %/yr
[1990-2000] +1.9 %/yr
[2000-2005] +4.5 %/yr
[2005-2010] +3.09 %/yr
[2010-2014] +0.33 %/yr
• DeKalb city population
5.9 mi, 
218°
• Genoa city
6.6 mi, 
352°
• Cortland town
4.1 mi, 
189°
• Kirkland village
10.9 mi, 
306°
• Maple Park village
6.3 mi, 
150°
• Kingston village
8.4 mi, 
328°
• Malta village
11 mi, 
245°
• Lily Lake village
10.9 mi, 
104°
• Burlington village
6.8 mi, 
54°
• Virgil village
8.1 mi, 
110°
*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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