Last official estimated population of Caldwell city (Canyon County**, Idaho state) was 50,224 (year 2014)[1]. This was 0.016% of total US population and 3.03% of total Idaho state population. Area of Caldwell city is 22.2 mi² (=57.5 km²)[6], in this year population density was 2,262.44 p/mi². If population growth rate would be same as in period 2010-2014 (+2.09%/yr), Caldwell city population in 2026 would be 64,369*.
Historical population of Caldwell city for period 1890-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1890-1900] +2.5 %/yr
[1900-1910] +13.52 %/yr
[1910-1920] +3.72 %/yr
[1920-1930] -0.26 %/yr
[1930-1940] +3.87 %/yr
[1940-1950] +3.73 %/yr
[1950-1960] +1.55 %/yr
[1960-1970] +1.52 %/yr
[1970-1980] +2.21 %/yr
[1980-1990] +0.67 %/yr
[1990-2000] +3.62 %/yr
[2000-2005] +6.84 %/yr
[2005-2010] +4.21 %/yr
[2010-2014] +2.09 %/yr
• Nampa city population
6.4 mi, 
132°
• Meridian city
13.2 mi, 
98°
• Eagle city
14.3 mi, 
57°
• Star city
8.8 mi, 62°
• Middleton city
5.1 mi, 
25°
• Homedale city
14.1 mi, 
261°
• Wilder city
12.6 mi, 
280°
• Marsing city
10.2 mi, 
227°
• Greenleaf city
8.3 mi, 282°
• Notus city
9 mi, 
308°
*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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