Custer County, Idaho's estimated 2024 population is 4,528 with a growth rate of 0.11% in the past year according to the most recent United States census data. Custer County, Idaho is the 40th largest county in Idaho. The 2010 population was 4,357 and has seen a growth of 3.92% since that time.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 4,553 | 5 | 0.11% |
| 2028 | 4,548 | 5 | 0.11% |
| 2027 | 4,543 | 5 | 0.11% |
| 2026 | 4,538 | 5 | 0.11% |
| 2025 | 4,533 | 5 | 0.11% |
| 2024 | 4,528 | 5 | 0.11% |
| 2023 | 4,523 | 5 | 0.11% |
| 2022 | 4,518 | 72 | 1.62% |
| 2021 | 4,446 | 175 | 4.1% |
| 2020 | 4,271 | -2 | -0.05% |
| 2019 | 4,273 | 57 | 1.35% |
| 2018 | 4,216 | 78 | 1.88% |
| 2017 | 4,138 | 49 | 1.2% |
| 2016 | 4,089 | 28 | 0.69% |
| 2015 | 4,061 | -73 | -1.77% |
| 2014 | 4,134 | -92 | -2.18% |
| 2013 | 4,226 | -101 | -2.33% |
| 2012 | 4,327 | 2 | 0.05% |
| 2011 | 4,325 | -32 | -0.73% |
| 2010 | 4,357 | 0 | 0% |
| 1990 | 4,133 | 748 | 22.1% |
| 1980 | 3,385 | 418 | 14.09% |
| 1970 | 2,967 | -29 | -0.97% |
| 1960 | 2,996 | -322 | -9.7% |
| 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 | -2,377 | -52.21% |
White
Two or more races
Other race
Native American
Black or African American
Asian
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 1,808 | 2.31 | 77.9 | 22.1 |
| Married | 1,092 | 2.74 | 92.4 | 7.6 |
| Non Family | 601 | 1.08 | 57.2 | 42.8 |
| Female | 104 | 4.81 | 42.3 | 57.7 |
| Male | 11 | 3.09 | 100 | 0 |
2.86
Average Family Size
2.31
Average Household Size
77.9%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among black people with a rate of 100%.
The highest rate of bachelors degrees is among 2+ races people with a rate of 60%.
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
97.62% of Custer County, Idaho residents speak only English, while 2.38% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.19% of the population.
rate
11.57%
Overall Poverty Rate
13%
Male Poverty Rate
10%
Female Poverty Rate
The race most likely to be in poverty in Custer County, Idaho is Black, with 100% below the poverty level.
The race least likely to be in poverty in Custer County, Idaho is Hispanic, with 7.55% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.96%. Among those working part-time, it was 14.93%, and for those that did not work, the poverty rate was 14.04%.
Married
Widowed
Divorced
Separated
NeverMarried
57.7%
Overall Marriage Rate
56.4%
Male Marriage Rate
59.1%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is Over 65.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0.81%
Veteran Poverty Rate
35.35%
Veteran Disability Rate
LaborForceParticipation
49.7%
Labor Force Participation
48.8%
Employment Rate
1.7%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
43.72%
Born in Custer County, Idaho
99.31%
Native Born
0.69%
Foreign Born
0.62%
Non Citizen
0.07%
Naturalized
99.31% of Custer County, Idaho residents were born in the United States, with 43.72% having been born in Idaho. 0.62% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.