Custer County, Idaho's estimated population is 4,536 with a growth rate of 2.90% in the past year according to the most recent United States census data. Custer County, Idaho is the 39th largest county in Idaho.
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2020 | 4,536 | 128 | 2.90% |
| 2019 | 4,408 | 128 | 2.99% |
| 2018 | 4,280 | 128 | 3.08% |
| 2017 | 4,152 | 69 | 1.69% |
| 2016 | 4,083 | 24 | 0.59% |
| 2015 | 4,059 | -72 | -1.74% |
| 2014 | 4,131 | -94 | -2.22% |
| 2013 | 4,225 | -101 | -2.33% |
| 2012 | 4,326 | 1 | 0.02% |
| 2011 | 4,325 | -32 | -0.73% |
| 2010 | 4,357 | 224 | 5.42% |
| 1990 | 4,133 | 748 | 22.10% |
| 1980 | 3,385 | 418 | 14.09% |
| 1970 | 2,967 | -29 | -0.97% |
| 1960 | 2,996 | -322 | -9.70% |
| 1950 | 3,318 | -231 | -6.51% |
| 1940 | 3,549 | 387 | 12.24% |
| 1930 | 3,162 | -388 | -10.93% |
| 1920 | 3,550 | 549 | 18.29% |
| 1910 | 3,001 | 952 | 46.46% |
| 1900 | 2,049 | -127 | -5.84% |
| 1890 | 2,176 | 0.00% |
| Race | Population | Percentage |
|---|---|---|
| White | 3,834 | 92.59% |
| Two or More Races | 222 | 5.36% |
| American Indian and Alaska Native | 42 | 1.01% |
| Some Other Race | 39 | 0.94% |
| Black or African American | 4 | 0.10% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 1,761 | 2.28 | 74.8 |
| Married | 985 | 2.79 | 88.5 |
| Non Family | 621 | 1.16 | 56.7 |
| Female | 110 | 3.31 | 59.1 |
| Male | 45 | 4.36 | 62.2 |
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 135 | 4.27% |
| 9th to 12th Grade | 200 | 6.32% |
| High School Graduate | 944 | 29.84% |
| Some College | 865 | 27.34% |
| Associates Degree | 291 | 9.20% |
| Bachelors Degree | 550 | 17.38% |
| Graduate Degree | 179 | 5.66% |
| Name | Total | High School | Bachelors |
|---|---|---|---|
| White | 2,909 | 2,663 | 675 |
| Hispanic | 120 | 32 | |
| Multiple Races | 97 | 97 | 21 |
| Native American | 42 | 41 | 33 |
| Other Race | 39 |
The highest rate of high school graduation is among multiple races people with a rate of 100.00%.
The highest rate of bachelors degrees is among native american people with a rate of 78.57%.
97.24% of Custer County, Idaho residents speak only English, while 2.76% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.51% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 3,717 | 810 | 21.79% |
| Multiple | 222 | 20 | 9.01% |
| Hispanic | 178 | 10 | 5.62% |
| Black | 3 | 3 | 100.00% |
20.57%
Overall Poverty Rate
18.35%
Male Poverty Rate
22.98%
Female Poverty Rate
The race most likely to be in poverty in Custer County, Idaho is Black, with 100.00% below the poverty level.
The race least likely to be in poverty in Custer County, Idaho is Hispanic, with 5.62% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 4.22%. Among those working part-time, it was 38.17%, and for those that did not work, the poverty rate was 21.50%.
55.8%
Overall Marriage Rate
54.8%
Male Marriage Rate
56.8%
Female Marriage Rate
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.
| Name | Veterans | % of Total |
|---|---|---|
| White | 446 | 13.73% |
3.36%
Veteran Poverty Rate
58.74%
Veteran Disability Rate
47.5%
Labor Force Participation
45.3%
Employment Rate
4.7%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
98.74%
Native Born
1.26%
Foreign Born
0.70%
Non Citizen
98.74% of Custer County, Idaho residents were born in the United States, with 53.92% having been born in Idaho. 0.70% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.