How many people live in ?

Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 25,200 people living in Routt County, CO. That makes Routt County the 23rd-most populous county in Colorado. It is home to 0.42% of people living in the state.

25.2K

population of Routt County, CO (2024)

0.42%

County share of the Colorado population (2024)

About 25,200 people lived in Routt County, CO in 2024.

Population estimates, 2000–2024

What are Routt County, CO’s age demographics?

About 5,100 Routt County, CO residents are aged 65 and older in 2024. That represents 20.2% of its population. For comparison, the age group represents 16.5% of Colorado’s population and 18% in the US overall.
Another 4,300 Routt County residents, or 17% 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 Routt County, CO's population is aged under 18 than the US as a whole.

Population estimates by age group, (2024)

What are Routt County, CO’s racial and ethnic demographics?

Non-Hispanic white residents make up 86.4% of the Routt County, CO population, higher than the national share of 57.5%.
In contrast, Routt County’s non-Hispanic Black or African American population accounts for 1.1%, below the 12.6% nationwide, and the Hispanic population makes up 9.8% 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.

Routt 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 Routt County, CO is Steamboat Springs with about 13,600 residents in 2024.

Cities and towns in Routt County, CO ranked by population

Population (2024), includes only portions within county

Cities and towns in Routt County, CO ranked by population
City or townPopulation
1.

Steamboat Springs

13,620
2.

Hayden 

1,920
3.

Oak Creek

856
4.

Yampa 

390
5.

Balance of Routt County

8,457

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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.