Custer County, Idaho
Custer County: County in central Idaho, United States
About
Custer County is a county located in the U.S. state of Idaho. As of the 2010 census, the population was 4,368. After 9 years in 2019 county had an estimated population of 4,315 inhabitants. Its county seat is Challis. The county was created 144 years ago in 1881.
Quick Facts about Custer County
| Population : | 4,315 (2019) |
| Country : | United States of America |
| State : | Idaho (United States) |
| Different from : | Custer County, Custer County, Custer County, Custer County, Custer County |
| Area : | 12786 km2 |
| Water as percent of area : | 0.3% |
| Land as percent of area : | 99.7% |
| Named for : | George Armstrong Custer |
| Capital : | Challis |
| Establishment : | January 01, 1881 |
| Time Zone : | Mountain Time Zone |
| Local time : | 11:15:28 (5th December 2025) |
| Population growth : | -1.23% (2010-2019) |
Geography
Custer County is located at 44°14'29"N 114°16'54"W (44.2414200, -114.2818000).
Custer County map
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The largest city of Custer County is Challis with a population of 1,091. Other cities include, Mackay population 501, Stanley population 69 and Clayton population 8. See all Custer County cities & populated places.
Custer County Populated Places
Cities, towns, neighborhoods & other populated places in Custer County.
| City Name | Population | Title |
|---|---|---|
| Challis | 1,091 | City in Custer County, Idaho, United States |
| Mackay | 501 | City in Custer County, Idaho, United States |
| Stanley | 69 | City in Custer County, Idaho, United States |
- Official Website
Official website of Custer County
- Challis
Demographics
According to census records, the population of Custer County decreased by 1.23% in 9 years.
| Year | Population | % Change | Method |
| 2010 | 4,368 | - | census |
| 2011 | 4,325 | -0.99% | estimation process |
| 2012 | 4,327 | 0.05% | estimation process |
| 2013 | 4,225 | -2.41% | estimation process |
| 2014 | 4,132 | -2.25% | estimation process |
| 2015 | 4,059 | -1.8% | estimation process |
| 2016 | 4,084 | 0.61% | estimation process |
| 2017 | 4,135 | 1.23% | estimation process |
| 2018 | 4,250 | 2.71% | estimation process |
| 2019 | 4,315 | 1.51% | estimation process |
People born in Custer County (1)
American writer Beatrice Sparks was born in Custer County
Other places with the same name (6)
- Custer County , Oklahoma county in central Idaho, United States with a population of 28,648 people.
- Custer County , Montana county in Montana, United States with a population of 11,292 people.
- Custer County , Nebraska county in Nebraska, United States with a population of 10,626 people.
- Custer County , South Dakota county in South Dakota, United States of America with a population of 9,017 people.
- Custer County , Colorado county in Colorado, United States with a population of 5,183 people.
Idaho Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Ada County | 481,587 | County in Idaho, United States |
| Canyon County | 229,849 | County in Idaho, United States |
| Boise | 228,959 | The capital of Idaho. |
| Kootenai County | 165,697 | County in Idaho, United States |
| Bonneville County | 119,062 | County in Idaho, United States |
| Meridian | 114,161 | The most populous city in Ada County, Idaho. |
| Nampa | 99,277 | The most populous city in Canyon County, Idaho. |
| Bannock County | 87,808 | County in Idaho, United States |
| Twin Falls County | 86,878 | County in Idaho, United States |
| Idaho Falls | 62,888 | The most populous city in Bonneville County, Idaho. |
| Caldwell | 58,481 | The most populous city in Canyon County, Idaho. |
| Pocatello | 56,637 | The most populous city in Bannock County, Idaho. |
| Coeur d'Alene | 52,414 | A city in Kootenai County, Idaho. |
| Twin Falls | 50,197 | The most populous city in Twin Falls County, Idaho. |
| Bingham County | 46,811 | County in Idaho, United States |
| Bonner County | 45,739 | County in Idaho, United States |
