How many people live in Grand County, CO?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 16,200 people living in Grand County, CO. That makes Grand County the 32nd-most populous county in Colorado. It is home to 0.27% of people living in the state.
16.2K
population of Grand County, CO (2024)
0.27%
County share of the Colorado population (2024)
About 16,200 people lived in Grand County, CO in 2024.
Population estimates, 2000–2024
What are Grand County, CO’s age demographics?
About 3,600 Grand County, CO residents are aged 65 and older in 2024. That represents 22.4% of its population. For comparison, the age group represents 16.5% of Colorado’s population and 18% in the US overall.
Another 2,400 Grand County residents, or 15.1% 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 lower share of Grand County, CO's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Grand County, CO’s racial and ethnic demographics?
Non-Hispanic white residents make up 85% of the Grand County, CO population, higher than the national share of 57.5%.
In contrast, Grand County’s non-Hispanic Black or African American population accounts for 1.3%, below the 12.6% nationwide, and the Hispanic population makes up 10.7% 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.
Grand County, CO has a higher share of a non-Hispanic white population than Colorado as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Grand County, CO is Granby with about 2,300 residents in 2024.
Cities and towns in Grand County, CO ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Granby | 2,305 |
| 2. | Fraser | 1,515 |
| 3. | Kremmling | 1,436 |
| 4. | Winter Park | 1,192 |
| 5. | Hot Sulphur Springs | 654 |
| 6. | Grand Lake | 400 |
| 7. | Balance of Grand County | 8,652 |
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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.
