How many people live in Broomfield County, CO?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 78,300 people living in Broomfield County, CO. That makes Broomfield County the 12th-most populous county in Colorado. It is home to 1.3% of people living in the state.
78.3K
population of Broomfield County, CO (2024)
1.3%
County share of the Colorado population (2024)
About 78,300 people lived in Broomfield County, CO in 2024.
Population estimates, 2000–2024
What are Broomfield County, CO’s age demographics?
About 13,100 Broomfield County, CO residents are aged 65 and older in 2024. That represents 16.7% of its population. For comparison, the age group represents 16.5% of Colorado's population and 18% in the US overall.
Another 15,000 Broomfield County residents, or 19.2% of the population, were children under 18. For comparison, the age group represents 20.5% of Colorado’s population and 21.6% in the US overall.
A higher share of Broomfield County, CO's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are Broomfield County, CO’s racial and ethnic demographics?
Non-Hispanic white residents make up 72.8% of the Broomfield County, CO population, higher than the national share of 57.5%. Broomfield County, CO also has a larger share of people identifying as non-Hispanic Asian (7.8%) than the US overall (6.5%).
In contrast, Broomfield County’s non-Hispanic Black or African American population accounts for 1.6%, below the 12.6% nationwide, and the Hispanic population makes up 14.8% of the county, compared with 20% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Broomfield County, CO has a higher share of a non-Hispanic white population than Colorado as a whole.
Population estimates by race and ethnicity, (2024)
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.