Population.us > Colorado

Population of Colorado state

Last official estimated population of Colorado was 5,456,574 (year 2015)[1]. This was 1.7% of total US population. Area of Colorado is 104,093.7 mi² (=269601.6 km²), in this year population density was 52.42 p/mi². If population growth rate would be same as in period 2010-2015 (+1.64%/yr), Colorado population in 2017 would be 5,637,527*.


Historical population

Historical population of Colorado state for period 1860-2015 [1] , [2] , [3]:

Maps: Population, population density, population changes

Estimated population for 2015[1]. Population density is in p./sq.mi [4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are apx. 2012 [5]. Click on flag to hide it.

PopulationDensityChanges

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Annual growth rate

[1860-1870] +1.52 %/yr
[1870-1880] +17.16 %/yr
[1880-1890] +7.84 %/yr
[1890-1900] +2.71 %/yr
[1900-1910] +4 %/yr
[1910-1920] +1.63 %/yr
[1920-1930] +0.98 %/yr
[1930-1940] +0.81 %/yr
[1940-1950] +1.67 %/yr
[1950-1960] +2.84 %/yr
[1960-1970] +2.33 %/yr
[1970-1980] +2.73 %/yr
[1980-1990] +1.32 %/yr
[1990-2000] +2.7 %/yr
[2000-2010] +1.58 %/yr
[2010-2015] +1.64 %/yr

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Or click: Counties in Colorado

Settlements in Colorado


Largest cities in Colorado

Largest counties


Sources, notices

*Calculated by population.us from last known population growth rate, not official data.***

[1] State population - 2015, retrieved 02/23/2016

[2] State population 2000-2010, retrieved 02/23/2016

[3] Population of States and Counties of the United States: 1790 to 1991, PDF, 15 Mb, census.gov, retrieved 02/23/2016

[4] United States Summary: 2010, Population and Housing Unit Counts, 2010 Census of Population and Housing, State areas, PDF 35 Mb, September 2012. pp. V–2, 1 & 41 (Tables 1 & 18). Retrieved February 24, 2016.

[5] Colorado boundaries, CSV file, retrived 03/18/2016

Notes / CO

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