Population.us > Counties > Colorado > Arapahoe County

Population of Arapahoe County

Last official estimated population of Arapahoe County was 574,577 (year 2014)[1]. This was 0.18% of total US population and 10.5% of total Colorado state population. Area of Arapahoe County is 805.5 mi² (=2086.1 km²), in this year population density was 713.36 p/mi². If population growth rate would be same as in period 2010-2014 (+0.11%/yr), Arapahoe County population in 2019 would be 577,811 [0].


Historical population

Historical population of Arapahoe County for period 1870-2014 [1] , [2] , [3]:

Maps: Population, population density, population changes

Estimated population for 2014[1]. Population density is in p./sq.mi [4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are approx. 2012 [5]. Click on flag to hide it.

PopulationDensityChangesLegendsPosition

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Annual growth rate

[1870-1880] +18.92 %/yr
[1880-1890] +13.08 %/yr
[1890-1900] +1.48 %/yr
[1900-1910] -23.68 %/yr
[1910-1920] +2.98 %/yr
[1920-1930] +5.1 %/yr
[1930-1940] +3.57 %/yr
[1940-1950] +4.95 %/yr
[1950-1960] +8.09 %/yr
[1960-1970] +3.64 %/yr
[1970-1980] +6.12 %/yr
[1980-1990] +2.92 %/yr
[1990-2000] +2.24 %/yr
[2000-2005] +1.42 %/yr
[2005-2010] +1.75 %/yr
[2010-2014] +0.11 %/yr

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Demography

Population of Arapahoe County by age groups male (M) and female (F)[1b]

Age Gr. (M) (F) Total
0 to 4 20667 19691 40,358
5 to 9 22392 21111 43,503
10 to 14 21809 20888 42,697
15 to 19 20083 18776 38,859
20 to 24 20293 19624 39,917
25 to 29 22823 22702 45,525
30 to 34 23867 23168 47,035
35 to 39 21800 21940 43,740
40 to 44 21936 22150 44,086
45 to 49 19972 20640 40,612
50 to 54 20939 22257 43,196
55 to 59 19689 21352 41,041
60 to 64 16399 18340 34,739
65 to 69 12759 14339 27,098
70 to 74 7918 9383 17,301
75 to 79 5130 6522 11,652
80 to 84 3352 4950 8,302
85+ 3078 6082 9,160

Arapahoe County resident population estimates by Sex, Race, and Hispanic Origin[1b]. For full list of abbrevations see: population.us/about page.

Race Male Female Total
WAC 249472 255959 505,431
NH 246395 256373 502,768
WA 239333 245503 484,836
NHWAC 196572 204082 400,654
NHWA 188608 195891 384,499
H 58511 57542 116,053
HWAC 52900 51877 104,777
HWA 50725 49612 100,337
BAC 40091 39430 79,521
NHBAC 36466 35593 72,059
BA 34185 33462 67,647
NHBA 31730 30785 62,515
AAC 19936 23195 43,131
NHAAC 18737 21999 40,736
AA 15824 18990 34,814
NHAA 15248 18428 33,676
TOM 11428 11738 23,166
NHTOM 8967 9223 18,190
IAC 6635 6907 13,542
HBAC 3625 3837 7,462
NHIAC 3356 3714 7,070
IA 3389 3422 6,811
HIAC 3279 3193 6,472
HBA 2455 2677 5,132
HTOM 2461 2515 4,976
HIA 2123 1988 4,111
NAC 1448 1513 2,961
NHIA 1266 1434 2,700
HAAC 1199 1196 2,395
NHNAC 1127 1178 2,305
NA 747 800 1,547
NHNA 576 612 1,188
HAA 576 562 1,138
HNAC 321 335 656
HNA 171 188 359

Counties near Arapahoe County

El Paso County population 57.4 mi, 190°
Denver County 30.3 mi, 285°
Jefferson County 48.8 mi, 264°
Adams County 15.9 mi, 359°
Douglas County 38.6 mi, 235°
Weld County 62.9 mi, 356°
Broomfield County 43.8 mi, 299°
Morgan County 50.8 mi, 32°
Elbert County 25.7 mi, 153°
Lincoln County 62.9 mi, 135°


Sources, notices

[0] Calculated by population.us from last known population growth rate, not official data.

[1] County population - 2014, archived from the original, retrieved 02/23/2016

[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) archived from the original, retrieved 02/23/2016

[2] County population - 2000-2010, archived from the original, retrieved 02/23/2016

[3] Population of States and Counties of the United States: 1790 to 1992, PDF, 15 Mb, census.gov, retrieved 02/23/2016

[4] County area, latitude longitude data, retrieved 02/23/2016

[5] County boundaries, CSV files on boundaries.us, retrived 03/18/2016

Colorado Notes

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