Data / Population / Custer County

Population in Custer County

Population in Custer County was 5,590 in 2025, according to the U.S. Census Bureau. That is up 0.4% from 2024. That is the 51st highest of 64 counties in 2025.

2025, persons5,590
Change on 2024+0.4%
Rank51st of 64Counties in Colorado ranked
Series high5,5902025
Series low4,7242020

Population in Custer County, 2020 to 2025

CSVChart (SVG)

4,6004,8005,0005,2005,4005,6002020202120222023202420252020: 4,724 persons2021: 5,069 persons2022: 5,349 persons2023: 5,559 persons2024: 5,567 persons2025: 5,590 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20255,590
20245,567
20235,559
20225,349
20215,069
20204,724

Compared with Colorado and United States

Place2025
Custer County5,590
Colorado6,012,561
United States341,784,857

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A. The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

How to cite

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

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Questions

What is the population in Custer County?

Population in Custer County was 5,590 in 2025, according to the U.S. Census Bureau. That is up 0.4% from 2024. That is the 51st highest of 64 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). Retrieved by Invokely on 2026-10-08.

What was the highest population in Custer County?

5,590 in 2025, the highest value since 2020 in this series.

More statistics for Custer County

All statistics for Custer County