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
Age is the most distinctive thing about Custer County: a median age of 58.6, older than the national median. Custer County is a county in Colorado with a population of 5,073.
Households take in a median $72,700, comfortably below the US median of $78,538. Poverty is relatively low for US counties at 5.5%, below the national 12.4%. Home prices are steep, with the typical property valued at $358,800, with typical rent around $1,021.
About 35.3% of adults 25 and older have a bachelor’s degree, near the 35.0% national figure. Remote work is widespread — 17.9% of workers stay home, above the national 14.0%, and the average commute runs about 36 minutes each way.
The age structure shapes everything downstream in Custer County — from housing demand to the mix of working-age earners reflected in the income figures above.
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+
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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.