Custer County, Colorado Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 51st-largest in Colorado
The population of Custer County, Colorado is 5,073 as of the 2023 American Community Survey, making it the 51st-largest county in Colorado. The median household income is $72,700, the median home value is $358,800, and the median age is 58.6.
The population of Custer County has grown 29.8% since 2010 (4,278 → 5,553), a +1.88% annualized rate.
5,073
Population
+1.88%
Annual growth
7
People / sq mi
$72,700
Median Income
$358,800
Median Home Value
Custer County covers 739 sq mi of land at 6.9 people per square mile.
About Custer County, CO
Custer County is a county in Colorado with a population of 5,073. It ranks #51 among counties in Colorado by population. The median age is 58.6, older than the national median. The population is 50.4% male and 49.6% female.
The median household income in Custer County is $72,700, near the US median of $74,580. 5.5% of residents live below the federal poverty level. Home values sit at a median of $358,800, with monthly rent averaging $1,021. The homeownership rate of 85.7% is higher than the national rate of 64.8%.
Educational attainment in Custer County reflects 35.3% of adults 25 and older holding a bachelor's degree or higher, near the national average of 34.3%. Roughly 17.9% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 35.9 minutes each way.
Custer County Population History (2010-2024)
The county of Custer County had a population of 4,278 in 2010 and 5,553 in 2024, a 29.8% growth over 14 years. The peak was 5,553 in 2024. Average annual growth rate: 1.94%.
5,553
Population (2024)
4,278
Population (2010)
5,553
Peak (2024)
1.94%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 4,278 |
| 2011 | 4,224 |
| 2012 | 4,217 |
| 2013 | 4,260 |
| 2014 | 4,339 |
| 2015 | 4,434 |
| 2016 | 4,581 |
| 2017 | 4,861 |
| 2018 | 4,962 |
| 2019 | 5,119 |
| 2020 | 4,725 |
| 2021 | 5,065 |
| 2022 | 5,343 |
| 2023 | 5,551 |
| 2024 | 5,553 |
Race & Ethnicity
| White | 93.8% |
| Black or African American | 0.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.0% |
Age & Sex
58.6
Median Age
49.6%
Female
50.4%
Male
30.4%
Age 65+
Age Distribution
Children (under 15): 10.6% · Seniors (65+): 30.4%
Income & Poverty
| Median household income | $72,700$-19,770 vs state |
| Mean household income | $90,623 |
| Per-capita income | $43,529 |
| Poverty rate | 5.5%-0.4% vs state |
| Unemployment rate | 2.7% |
| Employment-to-population | 46.2% |
Top Industries by Employment
The largest employment sector in Custer County is professional & business services, accounting for 16.4% of workers.
How residents commute
0.0%
Drive alone
2.9%
Carpool
68.3%
Public transit
17.9%
Work from home
35.9 min
Avg commute
Housing
$358,800$-143,400 vs state
Median home value
$1,021
Median rent
85.7%
Homeownership rate
4,349
Total housing units
56.3%
Occupied
43.7%
Vacant
14.3%
Renter-occupied
Social & access
92.2%
With health insurance
95.2%
With broadband internet
61.6%
Foreign-born
9.1%
Veterans (18+)
14.0%
With a disability
98.4%
Speak language other than English at home
Education
96.5%
High School+
35.3%
Bachelor's+
Largest cities in Colorado
Other counties in Colorado
Part of Colorado
Metro areas in Colorado
County rankings
Frequently Asked Questions
Custer County, Colorado has a population of 5,073 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 51st-largest county in Colorado. Population density is 7 people per square mile.
The population of Custer County has grown 29.8% since 2010 (4,278 → 5,553), a +1.88% annualized rate.
The median household income in Custer County, Colorado is $72,700, with mean (average) household income of $90,623 and per-capita income of $43,529. 5.5% of residents live below the federal poverty level.
In Custer County, the largest racial and ethnic groups are White (93.8%), Hispanic or Latino (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Custer County, Colorado is 58.6 years. Residents are 49.6% female and 50.4% male.
The median home value in Custer County is $358,800 and median monthly rent is $1,021. 85.7% of occupied housing units are owner-occupied. The county has 4,349 total housing units, 43.7% of which are vacant.
The largest employment sector in Custer County, Colorado is professional, scientific, and management services, employing 16.4% of workers. The unemployment rate is 2.7%.
Denver is among the largest cities associated with Custer 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.