Last official estimated population of Rancho Cucamonga city (San Bernardino County**, California state) was 174,305 (year 2014)[1]. This was 0.055% of total US population and 0.45% of total California state population. Area of Rancho Cucamonga city is 39.9 mi² (=103.3 km²)[6], in this year population density was 4,371.39 p/mi². If population growth rate would be same as in period 2010-2014 (+1.34%/yr), Rancho Cucamonga city population in 2024 would be 199,116*.
Historical population of Rancho Cucamonga city for period 1980-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1980-1990] +6.26 %/yr
[1990-2000] +2.34 %/yr
[2000-2005] +3.59 %/yr
[2005-2010] +1.63 %/yr
[2010-2014] +1.34 %/yr
• Fontana city population
5.9 mi, 
99°
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201°
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10.1 mi, 
94°
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10 mi, 
146°
• Chino city
11.4 mi, 
208°
• Upland city
5.5 mi, 
264°
• Eastvale city
11.1 mi, 
184°
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8.5 mi, 
244°
• Claremont city
8.6 mi, 
270°
• La Verne city
11.8 mi, 269°
*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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