Gem County, Idaho

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Gem County, Idaho
GEM COUNTY COURTHOUSE.jpg
Gem County Courthouse
Seal of Gem County, Idaho
Seal
Map of Idaho highlighting Gem County
Location in the state of Idaho
Map of the United States highlighting Idaho
Idaho's location in the U.S.
Founded March 15, 1915
Named for the state nickname, "Gem State".\
Seat Emmett
Largest city Emmett
Area
 • Total 566 sq mi (1,466 km2)
 • Land 561 sq mi (1,453 km2)
 • Water 4.8 sq mi (12 km2), 0.8%
Population
 • (2010) 16,719
 • Density 30/sq mi (12/km²)
Congressional district 1st
Time zone Mountain: UTC-7/-6
Website www.co.gem.id.us

Gem County is a county in the U.S. state of Idaho. As of the 2010 census, the population was 16,719.[1] The county seat and largest city is Emmett.[2]

Gem County is part of the Boise, ID Metropolitan Statistical Area.

Gem County is home to the Idaho ground squirrel.

History[edit]

Named for the state nickname, "Gem State," the county was established on March 15, 1915, partitioned from Canyon County and Boise County. Fur trappers were in the area as early as 1818, and Alexander Ross explored Squaw Creek in 1824. Prospectors and miners moved through the county in 1862 en route to the gold rush in the Boise Basin around Idaho City, and by the next year irrigation began along the Payette River.[3] The Black Canyon diversion dam on the river was built in the early 1920s, east of Emmett.[4]

Geography[edit]

According to the U.S. Census Bureau, the county has a total area of 566 square miles (1,470 km2), of which 561 square miles (1,450 km2) is land and 4.8 square miles (12 km2) (0.8%) is water.[5] It is the fifth-smallest county in Idaho by area.

Adjacent counties[edit]

National protected area[edit]

Demographics[edit]

Historical population
Census Pop.
1920 6,427
1930 7,419 15.4%
1940 9,544 28.6%
1950 8,730 −8.5%
1960 9,127 4.5%
1970 9,387 2.8%
1980 11,972 27.5%
1990 11,844 −1.1%
2000 15,181 28.2%
2010 16,719 10.1%
Est. 2013 16,686 −0.2%
U.S. Decennial Census[6]
1790-1960[7] 1900-1990[8]
1990-2000[9] 2010-2013[1]

As of the census[10] of 2000, there were 15,181 people, 5,539 households, and 4,176 families residing in the county. The population density was 27 people per square mile (10/km²). There were 5,888 housing units at an average density of 10 per square mile (4/km²). The racial makeup of the county was 93.79% White, 0.73% Native American, 0.36% Asian, 0.07% Black or African American, 0.06% Pacific Islander, 3.16% from other races, and 1.83% from two or more races. 6.92% of the population were Hispanic or Latino of any race. 18.9% were of American, 17.5% German, 13.1% English and 7.2% Irish ancestry according to Census 2000.

There were 5,539 households out of which 34.00% had children under the age of 18 living with them, 63.40% were married couples living together, 8.40% had a female householder with no husband present, and 24.60% were non-families. 20.80% of all households were made up of individuals and 9.90% had someone living alone who was 65 years of age or older. The average household size was 2.70 and the average family size was 3.12.

In the county the population was spread out with 28.00% under the age of 18, 7.60% from 18 to 24, 25.30% from 25 to 44, 23.50% from 45 to 64, and 15.60% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 98.70 males. For every 100 females age 18 and over, there were 96.70 males.

The median income for a household in the county was $34,460, and the median income for a family was $40,195. Males had a median income of $31,036 versus $20,755 for females. The per capita income for the county was $15,340. About 11.60% of families and 13.10% of the population were below the poverty line, including 15.60% of those under age 18 and 13.90% of those age 65 or over.

Communities[edit]

City[edit]

Unincorporated communities[edit]

See also[edit]

References[edit]

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved June 30, 2014. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ Idaho.gov - Gem County - accessed 2011-12-10
  4. ^ USBR - Black Canyon div. dam
  5. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  6. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved June 30, 2014. 
  7. ^ "Historical Census Browser". University of Virginia Library. Retrieved June 30, 2014. 
  8. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved June 30, 2014. 
  9. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau. Retrieved June 30, 2014. 
  10. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 

External links[edit]

Coordinates: 44°04′N 116°25′W / 44.06°N 116.41°W / 44.06; -116.41