Boulder County, Colorado's estimated 2023 population is 341,615 with a growth rate of 1.07% 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 294,567 and has seen a growth of 15.97% since that time.
2.98
Average Family Size
2.41
Average Household Size
62.7%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among native american people with a rate of 81.31%.
The highest rate of bachelors degrees is among white people with a rate of 54.76%.
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
85.38% of Boulder County, Colorado 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 8.02% of the population.
10.99%
Overall Poverty Rate
11.04%
Male Poverty Rate
10.94%
Female Poverty Rate
The race most likely to be in poverty in Boulder County, Colorado is Hispanic, with 18.24% below the poverty level.
The race least likely to be in poverty in Boulder County, Colorado is Islander, with 9.3% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.5%. Among those working part-time, it was 20.42%, and for those that did not work, the poverty rate was 18.16%.
Married
Widowed
Divorced
Separated
NeverMarried
45.5%
Overall Marriage Rate
44.8%
Male Marriage Rate
46.3%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, 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
5.16%
Veteran Poverty Rate
26.54%
Veteran Disability Rate
LaborForceParticipation
68.1%
Labor Force Participation
64.9%
Employment Rate
4.6%
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
31.86%
Born in Boulder County, Colorado
88.58%
Native Born
9.73%
Foreign Born
5.11%
Non Citizen
4.62%
Naturalized
88.58% of Boulder County, Colorado residents were born in the United States, with 31.86% having been born in Colorado. 5.11% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.