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Clark County, Idaho

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Title: Clark County, Idaho  
Author: World Heritage Encyclopedia
Language: English
Subject: List of places in Idaho: L-Z, List of places in Idaho: A-K, Dubois, Idaho, Spencer, Idaho, Idaho
Collection: 1919 Establishments in Idaho, Clark County, Idaho, Idaho Counties, Populated Places Established in 1919
Publisher: World Heritage Encyclopedia

Clark County, Idaho

Clark County, Idaho
Seal of Clark County, Idaho
Map of Idaho highlighting Clark County
Location in the state of Idaho
Map of the United States highlighting Idaho
Idaho's location in the U.S.
Founded February 1, 1919
Named for State Senator Sam K. Clark
Seat Dubois
Largest city Dubois
 • Total 1,765 sq mi (4,571 km2)
 • Land 1,764 sq mi (4,569 km2)
 • Water 1.0 sq mi (3 km2), 0.1%
 • (2010) 982
 • Density 0.6/sq mi (0/km²)
Congressional district 2nd
Time zone Mountain: UTC-7/-6

Clark County is a rural county in the U.S. state of Idaho. As of the 2010 Census the county had a population of 982,[1] making it the least populous county in Idaho. The county seat and largest city is Dubois.[2] The county was established on February 1, 1919, partitioned from Fremont County. It was named for State Senator Sam K. Clark, an early pioneer on Medicine Lodge Creek.[3]


  • Geography 1
    • Adjacent counties 1.1
    • Major highways 1.2
    • National protected areas 1.3
  • Demographics 2
  • Education 3
  • Communities 4
    • Cities 4.1
    • Unincorporated communities 4.2
  • See also 5
  • References 6
  • External links 7


According to the U.S. Census Bureau, the county has a total area of 1,765 square miles (4,570 km2), of which 1,764 square miles (4,570 km2) is land and 1.0 square mile (2.6 km2) (0.1%) is water.[4]

The northern border of the county is the Bitterroot Range of the Rocky Mountains, which forms the state line with Montana and is also the continental divide. It is crossed by Interstate 15 over Monida Pass at 6,820 feet (2,079 m) above sea level. Monida Pass also marks an east-west divide between Bitterroot subranges: the Beaverhead Mountains are to the west and the Centennial Mountains are to the east.

Adjacent counties

Major highways

National protected areas


As of the census[10] of 2000, there were 1,022 people, 340 households, and 257 families residing in the county. The population density was 1 person per square mile (0/km²). There were 521 housing units at an average density of 0 per square mile (0/km²). The racial makeup of the county was 74.17% White, 0.10% Black or African American, 0.98% Native American, 0.20% Asian, 0.10% Pacific Islander, 23.48% from other races, and 0.98% from two or more races. 34.25% of the population were Hispanic or Latino of any race. 14.3% were of English, 8.1% German and 5.8% Irish ancestry according to Census 2000.

There were 340 households out of which 45.00% had children under the age of 18 living with them, 61.80% were married couples living together, 7.10% had a female householder with no husband present, and 24.40% were non-families. 20.00% of all households were made up of individuals and 8.50% had someone living alone who was 65 years of age or older. The average household size was 3.01 and the average family size was 3.52.

In the county the population was spread out with 35.20% under the age of 18, 8.00% from 18 to 24, 27.50% from 25 to 44, 20.10% from 45 to 64, and 9.20% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 110.70 males. For every 100 females age 18 and over, there were 112.20 males.

The median income for a household in the county was $31,576, and the median income for a family was $31,534. Males had a median income of $23,854 versus $20,192 for females. The per capita income for the county was $11,141. About 18.70% of families and 19.90% of the population were below the poverty line, including 24.10% of those under age 18 and 11.70% of those age 65 or over.


The public schools in the county are operated by Clark County School District #161, headquartered in Dubois.



Unincorporated communities

See also


  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved June 28, 2014. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ – Clark County – accessed 2009-05-28
  4. ^ "US Gazetteer files: 2010, 2000, and 1990".  
  5. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  6. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved June 28, 2014. 
  7. ^ "Historical Census Browser". University of Virginia Library. Retrieved June 28, 2014. 
  8. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved June 28, 2014. 
  9. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved June 28, 2014. 
  10. ^ "American FactFinder".  

External links

  • Official website
  • State of Idaho official site – Clark County
  • Clark County School District #161

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