How many people live in ?

Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 4,500 people living in Phillips County, CO. That makes Phillips County the 54th-most populous county in Colorado. It is home to 0.07% of people living in the state.

4.49K

population of Phillips County, CO (2024)

0.07%

County share of the Colorado population (2024)

About 4,500 people lived in Phillips County, CO in 2024.

Population estimates, 2000–2024

What are Phillips County, CO’s age demographics?

About 984 Phillips County residents are aged 65 and older in 2024. That represents 21.9% of its population. For comparison, the age group represents 16.5% of Colorado’s population and 18% in the US overall.
Another 1,100 Phillips County, CO residents, or 24.6% 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 Phillips County, CO's population is aged 25–44 than the US as a whole.

Population estimates by age group, (2024)

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

Non-Hispanic white residents make up 68.5% of the Phillips County, CO population, higher than the national share of 57.5%. Phillips County, CO also has a larger share of people identifying as Hispanic (28.4%) than the US overall (20%).
In contrast, Phillips County’s non-Hispanic Black or African American population accounts for 0.71%, below the 12.6% nationwide, and the non-Hispanic Asian population makes up 0.58% of the county, compared with 6.5% 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.

Phillips County, CO has a higher share of a Hispanic population than Colorado as a whole.

Population estimates by race and ethnicity, (2024)

The largest city or town in Phillips County, CO is Holyoke with about 2,300 residents in 2024.

Cities and towns in Phillips County, CO ranked by population

Population (2024), includes only portions within county

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

Holyoke 

2,296
2.

Haxtun 

967
3.

Paoli 

50
4.

Balance of Phillips County

1,175

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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.