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Boulder County Population and Races

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As of 2010-2014, the total population of Boulder County is 305,166, which is 4.76% more than it was in 2000. The population growth rate is much lower than the state average rate of 20.84% and is much lower than the national average rate of 11.61%. The Boulder County population density is 412.18 people per square mile, which is much higher than the state average density of 49.93 people per square mile and is much higher than the national average density of 82.73 people per square mile. The most prevalent race in Boulder County is white, which represent 87.68% of the total population. The average Boulder County education level is higher than the state average and is higher than the national average.

Topics:Population GrowthPopulation DensityPopulation by RacesPopulation by First AncestryPopulation by GenderPopulation by AgeEducationSchool EnrollmentHousehold and FamilyMarital StatusPlace of Birth and CitizenshipLanguage

Population in 2010-2014: 305,166. #7

Population Growth Since 2000, #36

Boulder County

Population Density, #5

Boulder County
412.18 per square mile
49.93 per square mile
82.73 per square mile

Population by Races

White:267,572 (87.68%, #46)
Black:2,821 (0.92%, #29)
Hispanic:41,482 (13.59%, #37)
Asian:12,746 (4.18%, #3)
Native (American Indian, Alaska Native, Hawaiian Native, etc.):1,759 (0.58%, #46)
One Race, Other:11,193 (3.67%, see rank)
Two or More Races:9,075 (2.97%, see rank)

Hispanic Population
Mexican:31,950 (77.02%, see rank)
Puerto Rican:806 (1.94%, see rank)
Cuban:650 (1.57%, see rank)
Central American:1,423 (3.43%, see rank)
South American:1,748 (4.21%, see rank)

Asian Population
Indian:2,330 (18.28%, see rank)
Chinese:4,010 (31.46%, see rank)
Filipino:823 (6.46%, see rank)
Japanese:871 (6.83%, see rank)
Korean:1,540 (12.08%, see rank)
Vietnamese:996 (7.81%, see rank)
Asian, Other:2,176 (17.07%, see rank)

*Based on 2010-2014 data. View historical race data.

Population by First Ancestry

269,846 (88.43%) out of the total population of 305,166 reported first ancestry.

 Boulder County% of the Total PopulationColoradoU.S.
Arab1,0950.36%, see rank0.39%0.56%
Czech3,1711.04%, see rank0.70%0.47%
Danish2,7920.91%, see rank0.82%0.42%
Dutch6,3462.08%, see rank1.81%1.40%
English40,19713.17%, see rank10.49%8.02%
French13,0764.28%, see rank3.48%3.34%
German67,39922.09%, see rank20.88%15.03%
Greek1,8440.60%, see rank0.38%0.41%
Hungarian1,9540.64%, see rank0.39%0.46%
Irish41,33113.54%, see rank12.04%10.80%
Italian18,0955.93%, see rank5.10%5.52%
Norwegian7,8232.56%, see rank2.18%1.42%
Polish11,3003.70%, see rank2.51%3.01%
Portuguese6010.20%, see rank0.21%0.44%
Russian5,8411.91%, see rank1.09%0.92%
Scotch-Irish4,7121.54%, see rank1.27%0.99%
Scottish11,2493.69%, see rank2.56%1.72%
Subsaharan African1,0740.35%, see rank0.73%0.95%
Swedish8,9782.94%, see rank2.43%1.27%
Swiss2,0750.68%, see rank0.46%0.30%
Ukrainian1,1020.36%, see rank0.25%0.31%
American15,0324.93%, see rank5.18%7.12%
Welsh3,6601.20%, see rank0.92%0.57%

*Based on 2010-2014 data. View historical first ancestry data.

Population by Gender

Male: 153,300 (50.23%, see rank)
Females: 151,866 (49.77%, see rank)

Boulder County
Male: 50.23%
Female: 49.77%
Male: 50.18%
Female: 49.82%
Male: 49.19%
Female: 50.81%

*Based on 2010-2014 data. View historical gender data.

Population by Age

Median Age (see rank)
Boulder County
35.70 years old
36.20 years old
37.40 years old

Median Age, Male (see rank)
Boulder County
34.40 years old
35.30 years old
36.10 years old

Median Age, Female (see rank)
Boulder County
37.10 years old
37.30 years old
38.80 years old

 Boulder County% of the Total PopulationColoradoU.S.
Under 5 years16,0605.26%, see rank6.49%6.36%
5 to 9 years18,2986.00%, see rank6.79%6.51%
10 to 14 years18,1555.95%, see rank6.63%6.59%
15 to 19 years24,5298.04%, see rank6.57%6.85%
20 to 24 years32,40810.62%, see rank7.07%7.13%
25 to 34 years40,15613.16%, see rank14.71%13.47%
35 to 44 years40,76913.36%, see rank13.67%12.96%
45 to 54 years43,03714.10%, see rank13.93%14.09%
55 to 64 years37,96112.44%, see rank12.31%12.29%
65 to 74 years19,7966.49%, see rank6.91%7.64%
75 to 84 9,4403.09%, see rank3.46%4.25%
85 years and over4,5571.49%, see rank1.45%1.85%

*Based on 2010-2014 data. View historical age data.

Education for the 25 Years and Over

 Boulder CountyColoradoU.S.
Total 25 Years and Over Population195,716, 100%3,453,403209,056,129
Less Than High School11,840, 6.05%, see rank9.62%13.67%
High School Graduate25,127, 12.84%, see rank21.99%27.95%
Some College or Associate Degree44,913, 22.95%, see rank30.93%29.09%
Bachelor Degree61,713, 31.53%, see rank23.74%18.27%
Master, Doctorate, or Professional Degree52,123, 26.63%, see rank13.73%11.01%
USA.com Education Index#15.34, see rank14.1413.54
# Higher USA.com Education Index means more educated population.

*Based on 2010-2014 data. View historical education level data.

School Enrollment

 Boulder County ColoradoU.S.
Total PublicPrivatePublicPrivatePublicPrivate
Nursery School, Preschool, Kindergarten9,34461.58%38.42%72.68%27.32%71.30%28.70%
Elementary School (Grades 1-8)29,62090.38%, see rank9.62%, see rank91.90%8.10%89.86%10.14%
High School (Grades 9-12)14,08094.69%, see rank5.31%, see rank93.09%6.91%90.60%9.40%
College34,01792.01%, see rank7.99%, see rank84.22%15.78%78.37%21.63%
Graduate School8,02075.25%, see rank24.75%, see rank65.39%34.61%58.86%41.14%

*Based on 2010-2014 data. View historical school enrollment data.

Household and Family

 Boulder CountyColoradoU.S.
Total Households121,526, 100%1,998,314116,211,092
Average Household Size2.43, see rank2.542.63
1 Person Households33,894, 27.89%, see rank28.04%27.57%
2 or More Person Households87,632, 72.11%, see rank71.96%72.43%
Family Households (Families)71,826, 59.10%, see rank64.18%66.22%
Average Family Size3.07, see rank3.223.32
Married-Couple Family56,895, 46.82%, see rank49.32%48.42%
Nonfamily Households49,700, 40.90%, see rank35.82%33.78%

*Based on 2010-2014 data. View historical household and family data.

Marital Status of 15 Years and Over

 Boulder County%ColoradoU.S.
15 Years and Over Total252,653see rank4,162,789252,974,135
Males, 15 Years and Over126,283100%, see rank2,078,151123,281,364
Never Married51,16340.51%, see rank34.71%35.77%
Married62,53049.52%, see rank52.95%52.04%
Widowed2,0801.65%, see rank2.06%2.57%
Divorced10,5108.32%, see rank10.28%9.62%
Females, 15 Years and Over126,370100%, see rank2,084,638129,692,771
Never Married42,62333.73%, see rank27.28%29.48%
Married60,65248.00%, see rank52.25%49.19%
Widowed6,8585.43%, see rank6.85%9.16%
Divorced16,23712.85%, see rank13.61%12.16%

*Based on 2010-2014 data. View historical marital status data.

Place of Birth and Citizenship

 Boulder County%ColoradoU.S.
Native272,73389.37%, see rank90.24%86.93%
Born in the State of Residence99,90532.74%, see rank42.58%58.73%
Born in Different State168,28955.15%, see rank46.22%26.78%
Born in Puerto Rico, U.S. Island Areas,
or Born Abroad to American Parent(s)
4,5391.49%, see rank1.45%1.42%
Foreign Born32,43310.63%, see rank9.76%13.07%
Foreign Born with U.S. Citizenship12,9614.25%, see rank3.70%5.99%
Foreign Born without U.S. Citizenship19,4726.38%, see rank6.06%7.09%
Born In Europe6,9672.28%, see rank1.37%1.53%
Born In Asia9,7773.20%, see rank2.17%3.82%
Born In Africa6390.21%, see rank0.55%0.55%
Born In Oceania3600.12%, see rank0.08%0.07%
Born In Latin America13,4834.42%, see rank5.30%6.83%
Born In Northern America1,2070.40%, see rank0.30%0.26%

*Based on 2010-2014 data. View historical place of birth and citizenship data.

Language Spoken at Home

 Boulder County%ColoradoU.S.
English100,20682.46%, see rank82.34%79.39%
Spanish11,5869.53%, see rank11.41%11.75%
Other Indo-European Languages5,8794.84%, see rank3.32%4.52%
Asian and Pacific Islander Languages3,2382.66%, see rank2.07%3.36%
Other6170.51%, see rank0.86%0.99%

*Based on 2010-2014 data. View historical language spoken at home data.

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