Phillips County, Colorado Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 54th-largest in Colorado
The population of Phillips County, Colorado is 4,491 as of the 2023 American Community Survey, making it the 54th-largest county in Colorado. The median household income is $60,372, the median home value is $255,300, and the median age is 40.3.
The population of Phillips County has grown 0.4% since 2010 (4,471 → 4,488), a +0.03% annualized rate.
4,491
Population
+0.03%
Annual growth
7
People / sq mi
$60,372
Median Income
$255,300
Median Home Value
Phillips County covers 688 sq mi of land at 6.5 people per square mile.
About Phillips County, CO
Phillips County is a county in Colorado with a population of 4,491. It ranks #54 among counties in Colorado by population. The median age is 40.3, older than the national median. The population is 48.1% male and 51.9% female.
The median household income in Phillips County is $60,372, below the US median of $74,580. 15.9% of residents live below the federal poverty level. Home values sit at a median of $255,300, with monthly rent averaging $947. The homeownership rate of 74.9% is higher than the national rate of 64.8%.
Educational attainment in Phillips County reflects 25.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 11.2% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 20.0 minutes each way.
Phillips County Population History (2010-2024)
The county of Phillips County had a population of 4,471 in 2010 and 4,488 in 2024, a 0.4% growth over 14 years. The peak was 4,531 in 2020. Average annual growth rate: 0.04%.
4,488
Population (2024)
4,471
Population (2010)
4,531
Peak (2020)
0.04%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 4,471 |
| 2011 | 4,402 |
| 2012 | 4,417 |
| 2013 | 4,384 |
| 2014 | 4,394 |
| 2015 | 4,328 |
| 2016 | 4,307 |
| 2017 | 4,339 |
| 2018 | 4,343 |
| 2019 | 4,359 |
| 2020 | 4,531 |
| 2021 | 4,508 |
| 2022 | 4,464 |
| 2023 | 4,490 |
| 2024 | 4,488 |
Race & Ethnicity
| White | 81.7% |
| Black or African American | 0.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.6% |
| Two or More Races | 0.0% |
Age & Sex
40.3
Median Age
51.9%
Female
48.1%
Male
17.9%
Age 65+
Age Distribution
Children (under 15): 23.3% · Seniors (65+): 17.9%
Income & Poverty
| Median household income | $60,372$-32,098 vs state |
| Mean household income | $99,893 |
| Per-capita income | $43,285 |
| Poverty rate | 15.9%+10.0% vs state |
| Unemployment rate | 0.5% |
| Employment-to-population | 63.2% |
Top Industries by Employment
The largest employment sector in Phillips County is agriculture, accounting for 18.2% of workers.
How residents commute
0.0%
Drive alone
1.8%
Carpool
76.9%
Public transit
11.2%
Work from home
20.0 min
Avg commute
Housing
$255,300$-246,900 vs state
Median home value
$947
Median rent
74.9%
Homeownership rate
2,085
Total housing units
89.2%
Occupied
10.8%
Vacant
25.1%
Renter-occupied
Social & access
94.5%
With health insurance
90.4%
With broadband internet
23.4%
Foreign-born
8.2%
Veterans (18+)
13.3%
With a disability
76.2%
Speak language other than English at home
Education
90.5%
High School+
25.7%
Bachelor's+
Largest cities in Colorado
Other counties in Colorado
Part of Colorado
Metro areas in Colorado
County rankings
Frequently Asked Questions
Phillips County, Colorado has a population of 4,491 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 54th-largest county in Colorado. Population density is 7 people per square mile.
The population of Phillips County has grown 0.4% since 2010 (4,471 → 4,488), a +0.03% annualized rate.
The median household income in Phillips County, Colorado is $60,372, with mean (average) household income of $99,893 and per-capita income of $43,285. 15.9% of residents live below the federal poverty level.
In Phillips County, the largest racial and ethnic groups are White (81.7%), Hispanic or Latino (2.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Phillips County, Colorado is 40.3 years. Residents are 51.9% female and 48.1% male.
The median home value in Phillips County is $255,300 and median monthly rent is $947. 74.9% of occupied housing units are owner-occupied. The county has 2,085 total housing units, 10.8% of which are vacant.
The largest employment sector in Phillips County, Colorado is agriculture, forestry, fishing, and mining, employing 18.2% of workers. The unemployment rate is 0.5%.
Denver is among the largest cities associated with Phillips County, Colorado, with a population of 713,734.
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Statewide data for Colorado
Population, race, income, age, and trends across Colorado
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.