Boulder County, Colorado's estimated 2024 population is 326,323 with a growth rate of -0.16% in the past year according to the most recent United States census data. Boulder County, Colorado is the 9th largest county in Colorado. The 2010 population was 295,056 and has seen a growth of 10.6% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 323,783 | -508 | -0.16% |
| 2028 | 324,291 | -508 | -0.16% |
| 2027 | 324,799 | -508 | -0.16% |
| 2026 | 325,307 | -508 | -0.16% |
| 2025 | 325,815 | -508 | -0.16% |
| 2024 | 326,323 | -508 | -0.16% |
| 2023 | 326,831 | -508 | -0.16% |
| 2022 | 327,339 | 255 | 0.08% |
| 2021 | 327,084 | -3,854 | -1.16% |
| 2020 | 330,938 | 4,918 | 1.51% |
| 2019 | 326,020 | 582 | 0.18% |
| 2018 | 325,438 | 2,419 | 0.75% |
| 2017 | 323,019 | 1,258 | 0.39% |
| 2016 | 321,761 | 3,353 | 1.05% |
| 2015 | 318,408 | 5,883 | 1.88% |
| 2014 | 312,525 | 2,987 | 0.96% |
| 2013 | 309,538 | 4,821 | 1.58% |
| 2012 | 304,717 | 4,672 | 1.56% |
| 2011 | 300,045 | 4,989 | 1.69% |
| 2010 | 295,056 | 0 | 0% |
| 1990 | 225,339 | 35,714 | 18.83% |
| 1980 | 189,625 | 57,736 | 43.78% |
| 1970 | 131,889 | 57,635 | 77.62% |
| 1960 | 74,254 | 25,958 | 53.75% |
| 1950 | 48,296 | 10,858 | 29% |
| 1940 | 37,438 | 4,982 | 15.35% |
| 1930 | 32,456 | 595 | 1.87% |
| 1920 | 31,861 | 1,531 | 5.05% |
| 1910 | 30,330 | 8,786 | 40.78% |
| 1900 | 21,544 | 7,462 | 52.99% |
| 1890 | 14,082 | 4,359 | 44.83% |
| 1880 | 9,723 | 7,784 | 401.44% |
| 1870 | 1,939 | -321,844 | -99.4% |
White
Two or more races
Asian
Other race
Black or African American
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 133,390 | 2.37 | 62.3 | 37.7 |
| Married | 60,454 | 3 | 82.2 | 17.8 |
| Non Family | 58,496 | 1.51 | 43.7 | 56.3 |
| Female | 9,312 | 3.31 | 52.8 | 47.2 |
| Male | 5,128 | 3 | 56 | 44 |
2.95
Average Family Size
2.37
Average Household Size
62.3%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among white people with a rate of 98.57%.
The highest rate of bachelors degrees is among asian people with a rate of 70.54%.
All
Male
Female
$60,361
Average Earnings
$72,888
Average Male
$47,645
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
85.63% of Boulder County, Colorado residents speak only English, while 14.37% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.68% of the population.
rate
11.28%
Overall Poverty Rate
11.38%
Male Poverty Rate
11.19%
Female Poverty Rate
The race most likely to be in poverty in Boulder County, Colorado is Native, with 28.58% below the poverty level.
The race least likely to be in poverty in Boulder County, Colorado is White, with 10.87% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.39%. Among those working part-time, it was 20.96%, and for those that did not work, the poverty rate was 19.01%.
Married
Widowed
Divorced
Separated
NeverMarried
45.1%
Overall Marriage Rate
44.6%
Male Marriage Rate
45.7%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
5.17%
Veteran Poverty Rate
25.56%
Veteran Disability Rate
LaborForceParticipation
67.4%
Labor Force Participation
64.4%
Employment Rate
4.4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
Europe
Asia
Africa
Oceania
Latin America
North America
32.49%
Born in Boulder County, Colorado
90.27%
Native Born
9.73%
Foreign Born
4.97%
Non Citizen
4.77%
Naturalized
90.27% of Boulder County, Colorado residents were born in the United States, with 32.49% having been born in Colorado. 4.97% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.