Boulder, Colorado Population 2024

105,156

Boulder Demographics

According to the most recent ACS, the racial composition of Boulder was:

  • White: 83.16%
  • Two or more races: 7.29%
  • Asian: 5.92%
  • Other race: 1.96%
  • Black or African American: 1.04%
  • Native American: 0.57%
  • Native Hawaiian or Pacific Islander: 0.06%
Land Area (mi²)
26.9 sq mi
Density (mi²)
3,910.0/sq mi
Growth Since 2020
-2.74% (-2,967)
The current population of Boulder, Colorado is 105,156 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 108,123.

Population by Race

Race
Population
Percentage (of total)
White88,65183.16%
Two or more races7,7767.29%
Asian6,3065.92%
Other race2,0911.96%
Black or African American1,1041.04%
Native American6050.57%
Native Hawaiian or Pacific Islander650.06%

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Boulder Population by Race

Boulder Population Pyramid 2024

Boulder Median Age

28.5

Total

28.1

Male

29

Female

Boulder Adults

There are 94,169 adults, (12,984 of whom are seniors) in Boulder.

Boulder Age Dependency

31.3

Age Dependency Ratio

16

Old Age Dependency Ratio

15.3

Child Dependency Ratio

Boulder Sex Ratio

Female51,52348.33%
Male55,07551.67%

Boulder Population by Age

Boulder Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All43,6582.1847.252.8
Non Family26,1991.7230.369.7
Married14,0832.857822
Female2,2153.0849.250.8
Male1,1612.7751.948.1

2.77

Average Family Size

2.18

Average Household Size

47.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Boulder Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,0261.71%
Associates Degree2,0833.46%
Bachelors Degree21,83636.32%
Graduate Degree24,19240.24%
High School Graduate3,7066.16%
Less Than 9th Grade8431.4%
Some College6,44010.71%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Boulder Educational Attainment by Sex (over 25)

Boulder Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White48,95348,42439,135
Hispanic5,3794,2562,389
2+ Races3,4203,0932,246
Asian3,2213,1092,717
Other Race1,287905584
Black501460211
Native American417396110
Islander434323

The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 84.35%.

Boulder Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$57,652$76,141$42,626
Graduate Degree$82,111$92,141$71,912
High School Graduate$37,031$40,741$34,736
Less Than 9th Grade$36,675$40,246$17,569
Overall$58,911$68,437$47,312
Some College$36,671$44,890$30,553

$58,911

Average Earnings

$68,437

Average Male

$47,312

Average Female

Boulder Earnings by Educational Attainment

Boulder Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Boulder Language

85.38% of Boulder residents speak only English, while 14.62% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.87% of the population.

Boulder Language

Boulder Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White75,45316,32921.64%
Hispanic9,9282,36223.79%
Multiple6,7221,58123.52%
Asian5,1171,35726.52%
Other2,04350824.87%
Native56024744.11%
Black83915918.95%
Islander432353.49%

22.09%

Overall Poverty Rate

22.59%

Male Poverty Rate

21.56%

Female Poverty Rate

Poverty in Boulder

The race most likely to be in poverty in Boulder is Islander, with 53.49% below the poverty level.

The race least likely to be in poverty in Boulder is Black, with 18.95% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.53%. Among those working part-time, it was 36.8%, and for those that did not work, the poverty rate was 33.46%.

Boulder Poverty

rate

Rate
Poverty
Less Than 9th Grade25.34%
Some College14.61%
High School13.46%
Bachelors or Greater5.81%

Boulder Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed34.95%
Female Unemployed27.38%
Female Employed20.11%
Male Employed11.57%

Boulder Poverty Rate by Employment Status and Sex

Boulder Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$147,382$201,744
Households$80,243$132,935
Married Families$172,010$-999,999,999
Non Families$50,498$85,164

mean

median

Income by Household Type

Boulder Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

30.5%

Overall Marriage Rate

29.2%

Male Marriage Rate

31.9%

Female Marriage Rate

Boulder Married by Age and Sex

male

female

Boulder Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Boulder Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Boulder Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,581

Number of Veterans

2,372

Male Veterans

209

Female Veterans

War
Veterans
Vietnam884
Second Gulf War667
First Gulf War392
Korea234
World War II229

Boulder Veterans by War

count

Age Group
Veterans
75+881
65 to 74637
35 to 54524
18 to 34401
55 to 64138

Boulder Veterans by Age

count

Name
Veterans
% of Total
White2,3022.93%
Hispanic1691.87%
2+ Races1562.43%
Black403.85%
Asian300.52%
Native American214.6%
Islander2030.77%
Other Race120.67%

Boulder Veterans by Race

Boulder Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.06%

Veteran Poverty Rate

28.98%

Veteran Disability Rate

Boulder Veterans by Education

LaborForceParticipation

63.9%

Labor Force Participation

60.4%

Employment Rate

5.4%

Unemployment Rate

Boulder Employment by Age

LaborForceParticipation

Boulder Employment by Race

LaborForceParticipation

Boulder Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

28.74%

Born in Boulder

89.71%

Native Born

10.29%

Foreign Born

5.85%

Non Citizen

4.44%

Naturalized

Place of Birth

89.71% of Boulder residents were born in the United States, with 28.74% having been born in Colorado. 5.85% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Boulder Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029101,447-742-0.73%
2028102,189-742-0.72%
2027102,931-741-0.71%
2026103,672-742-0.71%
2025104,414-742-0.71%
2024105,156-742-0.7%
2023105,8982780.26%
2022105,6201,6121.55%
2021104,008-4,115-3.81%
2020108,1234200.39%
2019107,703-1,366-1.25%
2018109,069-49-0.04%
2017109,1189600.89%
2016108,1581,3781.29%
2015106,7802,9822.87%
2014103,7989680.94%
2013102,8301,4941.47%
2012101,3361,8031.81%
201199,5331,8091.85%
201097,72400%
200094,67311,36113.64%
199083,3126,6278.64%
198076,6859,81514.68%
197066,87029,15277.29%
196037,71817,71988.6%
195019,9997,04154.34%
194012,9581,73515.46%
193011,2232171.97%
192011,0061,46715.38%
19109,5393,38955.11%
19006,1502,82084.68%
18903,3302618.5%
18803,069-98,378-96.97%

Boulder Population by Year