Clark County, Idaho Population 2020

Clark County, Idaho's estimated population is 786 with a growth rate of -4.03% in the past year according to the most recent United States census data. Clark County, Idaho is the 44th largest county in Idaho.

Year Population Growth Growth Rate
2020786-33-4.03%
2019819-33-3.87%
2018852-33-3.73%
2017885141.61%
2016871-16-1.80%
2015887-3-0.34%
2014890101.14%
2013880-4-0.45%
2012884-70-7.34%
2011954-26-2.65%
201098021828.61%
1990762-36-4.51%
1980798577.69%
1970741-174-19.02%
1960915-3-0.33%
1950918-87-8.66%
19401,005-117-10.43%
19301,122-764-40.51%
19201,8860.00%
2020 Growth Rate
-4.03%
County Website
State
Founded
February 1, 1919
County Seat
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Clark County, Idaho Population Growth

Population by Race

Race Population Percentage
White91284.68%
American Indian and Alaska Native968.91%
Some Other Race484.46%
Two or More Races141.30%
Black or African American70.65%
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Clark County, Idaho Population Pyramid 2020

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Clark County, Idaho Median Age

29.6


Total

21.6


Male

30.8


Female

Clark County, Idaho Adults

There are 747 adults, (111 of whom are seniors) in Clark County, Idaho.

Clark County, Idaho Age Dependency

69.3

Age Dependency Ratio

17.5

Old Age Dependency Ratio

51.9

Child Dependency Ratio

Clark County, Idaho Sex Ratio

Female

507

47.08%

Male

570

52.92%

Clark County, Idaho Households and Families

Clark County, Idaho Renter vs Owner Occupied by Household Type

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Clark County, Idaho Household Types

Type Owner Renter
Female100%0%
Non Family67.7%32.3%
All62.3%37.7%
Married60.8%39.2%
Male0%100%

62.3%

Rate of Home Ownership

Type Count Average Size Owned
All3053.4662.3
Married1864.3560.8
Non Family65067.7
Female333.39100
Male213.330

4.01

Average Family Size

3.46

Average Household Size

1.3%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

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Clark County, Idaho Education

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Education Attained Count Percentage
Less Than 9th Grade19733.28%
9th to 12th Grade355.91%
High School Graduate14023.65%
Some College9916.72%
Associates Degree294.90%
Bachelors Degree6310.64%
Graduate Degree294.90%
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Clark County, Idaho Educational Attainment by Race

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Name Total High School Bachelors
White28627062
Hispanic2826619
Other Race21
Native American202011
Multiple Races44

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among native american people with a rate of 55.00%.

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Name Average Male Female
Overall$25,750$31,397$21,723
Less Than High School$20,603$20,313$20,809
High School Grad$27,031$35,938$18,750
Some College$35,833$36,667$26,667
Bachelors Degree$21,842$45,000$21,184
Graduate Degree$51,250$$52,000

$25,750

Average Earnings

$31,397

Average Male

$21,723

Average Female

Clark County, Idaho Language

Clark County, Idaho Language by Age

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Clark County, Idaho Language

54.45% of Clark County, Idaho residents speak only English, while 45.55% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 42.78% of the population.

Clark County, Idaho Poverty

Clark County, Idaho Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic50515230.10%
White4655311.40%
Other482552.08%
Black77100.00%

19.68%

Overall Poverty Rate

22.81%

Male Poverty Rate

16.17%

Female Poverty Rate

Poverty in Clark County, Idaho

The race most likely to be in poverty in Clark County, Idaho is Black, with 100.00% below the poverty level.

The race least likely to be in poverty in Clark County, Idaho is White, with 11.40% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 11.73%. Among those working part-time, it was 28.10%, and for those that did not work, the poverty rate was 17.97%.

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Name Poverty
Less Than High School21.12%
Some College11.72%
High School9.29%
Bachelors or Greater0.00%
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Name Poverty
Male Unemployed100.00%
Female Unemployed21.43%
Male Employed16.03%
Female Employed9.66%

Clark County, Idaho Income

Clark County, Idaho Income by Household Type

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Name Median Mean
Households$35,341$49,087
Families$50,833$54,728
Married Families$56,818-
Non Families$28,958$27,772
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Clark County, Idaho Marital Status

Clark County, Idaho Marital Status

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Marriage Rates

55.2%

Overall Marriage Rate

50.1%

Male Marriage Rate

60.5%

Female Marriage Rate

Clark County, Idaho Married by Age and Sex

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Clark County, Idaho Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Clark County, Idaho Marital Status by Race

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Clark County, Idaho Veterans

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28

Number of Veterans

28

Male Veterans

Female Veterans

War Veterans
Vietnam2
Second Gulf War2
World War II
Korea
First Gulf War
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Age Group Veterans
55 to 6412
75+10
35 to 544
65 to 742
18 to 34
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Clark County, Idaho Veterans by Education

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14.29%

Veteran Poverty Rate

7.14%

Veteran Disability Rate

Clark County, Idaho Employment Status

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63.5%

Labor Force Participation

58.6%

Employment Rate

7.8%

Unemployment Rate

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Origin of Non-Citizens

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

Origin of Naturalized Citizens

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42.34%

Born in Idaho

71.87%

Native Born

28.13%

Foreign Born

25.81%

Non Citizen

2.32%

Naturalized

Place of Birth

71.87% of Clark County, Idaho residents were born in the United States, with 42.34% having been born in Idaho. 25.81% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

  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