Population.us > Counties > Colorado > Boulder County

Population of Boulder County

Last official estimated population of Boulder County was 295,967 (year 2014)[1]. This was 0.093% of total US population and 5.4% of total Colorado state population. Area of Boulder County is 740.5 mi² (=1917.8 km²), in this year population density was 399.70 p/mi². If population growth rate would be same as in period 2010-2014 (+0.12%/yr), Boulder County population in 2022 would be 298,787 [0].


Historical population

Historical population of Boulder 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] +17.5 %/yr
[1880-1890] +3.77 %/yr
[1890-1900] +4.34 %/yr
[1900-1910] +3.48 %/yr
[1910-1920] +0.49 %/yr
[1920-1930] +0.19 %/yr
[1930-1940] +1.44 %/yr
[1940-1950] +2.58 %/yr
[1950-1960] +4.4 %/yr
[1960-1970] +5.91 %/yr
[1970-1980] +3.7 %/yr
[1980-1990] +1.74 %/yr
[1990-2000] +1.82 %/yr
[2000-2005] +0.76 %/yr
[2005-2010] +1 %/yr
[2010-2014] +0.12 %/yr

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Demography

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

Age Gr. (M) (F) Total
0 to 4 8290 7532 15,822
5 to 9 9137 8814 17,951
10 to 14 9696 9133 18,829
15 to 19 12419 12266 24,685
20 to 24 17960 15948 33,908
25 to 29 11864 9792 21,656
30 to 34 10009 9554 19,563
35 to 39 9922 9765 19,687
40 to 44 10611 10403 21,014
45 to 49 10074 10413 20,487
50 to 54 10787 11120 21,907
55 to 59 10410 10828 21,238
60 to 64 8954 9364 18,318
65 to 69 6797 7192 13,989
70 to 74 4273 4787 9,060
75 to 79 2749 3273 6,022
80 to 84 1835 2418 4,253
85+ 1606 3338 4,944

Boulder 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 146830 145451 292,281
WA 142988 141596 284,584
NH 135559 134485 270,044
NHWAC 126433 125249 251,682
NHWA 123276 122113 245,389
H 21834 21455 43,289
HWAC 20397 20202 40,599
HWA 19712 19483 39,195
AAC 8957 9432 18,389
NHAAC 8532 9027 17,559
AA 6847 7334 14,181
NHAA 6658 7178 13,836
TOM 4018 4061 8,079
NHTOM 3280 3292 6,572
BAC 2964 2504 5,468
IAC 2552 2576 5,128
NHBAC 2458 2028 4,486
BA 2018 1549 3,567
NHBA 1665 1217 2,882
NHIAC 1350 1475 2,825
IA 1365 1294 2,659
HIAC 1202 1101 2,303
HTOM 738 769 1,507
HIA 802 673 1,475
NHIA 563 621 1,184
HBAC 506 476 982
HAAC 425 405 830
HBA 353 332 685
NAC 358 314 672
NHNAC 275 232 507
HAA 189 156 345
NA 157 106 263
NHNA 117 64 181
HNAC 83 82 165
HNA 40 42 82

Counties near Boulder County

Denver County population 35.8 mi, 130°
Jefferson County 36.5 mi, 167°
Adams County 58.4 mi, 105°
Larimer County 39.2 mi, 353°
Douglas County 58.8 mi, 154°
Broomfield County 20.7 mi, 118°
Summit County 51.1 mi, 230°
Grand County 36.9 mi, 273°
Clear Creek County 31.5 mi, 207°
Gilpin County 17.6 mi, 203°


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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