Custer County, Idaho Population 2020

Custer County, Idaho's estimated population is 4,152 with a growth rate of 1.69% 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
20184,2801283.08%
20174,152691.69%
20164,083240.59%
20154,059-72-1.74%
20144,131-94-2.22%
20134,225-101-2.33%
20124,32610.02%
20114,325-32-0.73%
20104,3572245.42%
19904,13374822.10%
19803,38541814.09%
19702,967-29-0.97%
19602,996-322-9.70%
19503,318-231-6.51%
19403,54938712.24%
19303,162-388-10.93%
19203,55054918.29%
19103,00195246.46%
19002,049-127-5.84%
18902,1760.00%

How Many People Live in Custer County, Idaho?

4,152

Custer County, Idaho Population Growth

Population by Race

Race Population Percentage
White3,83492.59%
Two or More Races2225.36%
American Indian and Alaska Native421.01%
Some Other Race390.94%
Black or African American40.10%

Custer County, Idaho Population Pyramid 2020

Custer County, Idaho Median Age

53.3


Total

53.6


Male

52.8


Female

Custer County, Idaho Adults

There are 3,431 adults, (1,241 of whom are seniors) in Custer County, Idaho.

Custer County, Idaho Age Dependency

89.1

Age Dependency Ratio

56.7

Old Age Dependency Ratio

32.4

Child Dependency Ratio

Custer County, Idaho Sex Ratio

Female

1,976

47.72%

Male

2,165

52.28%

Custer County, Idaho Households and Families

Custer County, Idaho Renter vs Owner Occupied by Household Type

Custer County, Idaho Household Types

Type Owner Renter
Married88.5%11.5%
All74.8%25.2%
Male62.2%37.8%
Female59.1%40.9%
Non Family56.7%43.3%

74.8%

Rate of Home Ownership

Type Count Average Size Owned
All1,7612.2874.8
Married9852.7988.5
Non Family6211.1656.7
Female1103.3159.1
Male454.3662.2

2.83

Average Family Size

2.28

Average Household Size

2.7%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Custer County, Idaho Education

Education Attained Count Percentage
Less Than 9th Grade1354.27%
9th to 12th Grade2006.32%
High School Graduate94429.84%
Some College86527.34%
Associates Degree2919.20%
Bachelors Degree55017.38%
Graduate Degree1795.66%

Custer County, Idaho Educational Attainment by Race

Name Total High School Bachelors
White2,9092,663675
Hispanic12032
Multiple Races979721
Native American424133
Other Race39

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%.

Name Average Male Female
Overall$32,131$39,138$17,928
Less Than High School$33,220$33,371$
High School Grad$19,950$35,481$16,384
Some College$26,902$42,287$13,542
Bachelors Degree$34,925$59,643$33,875
Graduate Degree$49,917$70,208$48,500

$32,131

Average Earnings

$39,138

Average Male

$17,928

Average Female

Custer County, Idaho Language

Custer County, Idaho Language by Age

Custer County, Idaho Language

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.

Custer County, Idaho Poverty

Custer County, Idaho Poverty by Race

Name Total In Poverty Poverty Rate
White3,71781021.79%
Multiple222209.01%
Hispanic178105.62%
Black33100.00%

20.57%

Overall Poverty Rate

18.35%

Male Poverty Rate

22.98%

Female Poverty Rate

Poverty in Custer County, Idaho

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%.

Name Poverty
High School24.12%
Some College23.69%
Bachelors or Greater8.37%
Less Than High School4.57%
Name Poverty
Female Unemployed75.00%
Male Unemployed30.30%
Female Employed20.60%
Male Employed8.26%

Custer County, Idaho Income

Custer County, Idaho Income by Household Type

Name Median Mean
Households$39,957$53,124
Families$56,016$67,517
Married Families$63,125-
Non Families$17,716$26,023

Custer County, Idaho Marital Status

Custer County, Idaho Marital Status

Marriage Rates

55.8%

Overall Marriage Rate

54.8%

Male Marriage Rate

56.8%

Female Marriage Rate

Custer County, Idaho Married by Age and Sex

Custer County, Idaho Marriage

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.

Custer County, Idaho Marital Status by Race

Custer County, Idaho Veterans

446

Number of Veterans

439

Male Veterans

7

Female Veterans

War Veterans
Vietnam207
World War II118
First Gulf War40
Korea29
Second Gulf War10

$Custer County, Idaho Veterans by Education

3.36%

Veteran Poverty Rate

58.74%

Veteran Disability Rate

Custer County, Idaho Employment Status

47.5%

Labor Force Participation

45.3%

Employment Rate

4.7%

Unemployment Rate

Custer County, Idaho Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

53.92%

Born in Idaho

98.74%

Native Born

1.26%

Foreign Born

0.70%

Non Citizen

Place of Birth

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.

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990