| Jefferson County, Idaho | |
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| Map | |
 Location in the state of Idaho |
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 Idaho's location in the U.S. |
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| Statistics | |
| Founded | February 18, 1913 |
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| Seat | Rigby |
| Largest city | Rigby |
| Area - Total - Land - Water |
1,106 sq mi (2,863 km²) 1,096 sq mi (2,836 km²) 10 sq mi (27 km²), 0.95% |
| Population - (2000) - Density |
19,155 17.5/sq mi (6.8/km²) |
| Time zone | Mountain: UTC-7/-6 |
| Website: www.co.jefferson.id.us | |
| Named for: Thomas Jefferson | |
Jefferson County is a county located in the U.S. state of Idaho. The county was established in 1913, and was named after Thomas Jefferson, the third U.S. President.[1] As of the 2000 Census the county had a population of 19,155 (2008 estimate: 23,860).[2] The county seat and largest city is Rigby.[3] Jefferson County is part of the Idaho Falls, ID, Metropolitan Statistical Area.
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Geography
According to the United States Census Bureau, the county has a total area of 1,106 square miles (2,863 km²), of which, 1,095 square miles (2,836 km²) of it is land and 10 square miles (27 km²) of it (0.95%) is water.
Adjacent counties
- Clark County - north
- Fremont County - northeast
- Madison County - east
- Bonneville County - south
- Bingham County - southwest
- Butte County - west
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Clark County | Fremont County | |
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| Butte County |  |
Madison County | ||
 Jefferson County, Idaho  |
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| Bingham County | Bonneville County |
National protected area
Highways
- Interstate 15
- US 20
- SH-22
- SH-28
- SH-33
- SH-48
Demographics
| Historical populations | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1920 | 9,441 |
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| 1930 | 9,171 | −2.9% | |
| 1940 | 10,762 | 17.3% | |
| 1950 | 10,495 | −2.5% | |
| 1960 | 11,672 | 11.2% | |
| 1970 | 11,619 | −0.5% | |
| 1980 | 15,304 | 31.7% | |
| 1990 | 16,543 | 8.1% | |
| 2000 | 19,155 | 15.8% | |
| Est. 2008 | 23,860 | 24.6% | |
| sources:[2] [4] | |||
As of the census[5] of 2000, there were 19,155 people, 5,901 households, and 4,880 families residing in the county. The population density was 18 people per square mile (7/km²). There were 6,287 housing units at an average density of 6 per square mile (2/km²). The racial makeup of the county was 90.87% White, 0.28% Black or African American, 0.46% Native American, 0.23% Asian, 0.08% Pacific Islander, 6.76% from other races, and 1.33% from two or more races. 9.96% of the population were Hispanic or Latino of any race. 32.7 were of English, 10.9% German and 9.2% American ancestry according to Census 2000.
There were 5,901 households out of which 47.60% had children under the age of 18 living with them, 72.60% were married couples living together, 6.80% had a female householder with no husband present, and 17.30% were non-families. 15.20% of all households were made up of individuals and 7.40% had someone living alone who was 65 years of age or older. The average household size was 3.23 and the average family size was 3.62.
In the county the population was spread out with 36.30% under the age of 18, 9.60% from 18 to 24, 25.50% from 25 to 44, 19.30% from 45 to 64, and 9.30% who were 65 years of age or older. The median age was 29 years. For every 100 females there were 102.20 males. For every 100 females age 18 and over, there were 101.00 males.
The median income for a household in the county was $37,737, and the median income for a family was $41,530. Males had a median income of $31,298 versus $19,755 for females. The per capita income for the county was $13,838. About 8.00% of families and 10.40% of the population were below the poverty line, including 13.00% of those under age 18 and 8.70% of those age 65 or over.
Presidential elections
Jefferson County is a traditionally Republican and conservative county. In the 1972 Presidential election Richard Nixon won the county with then John Birch Society member John G. Schmitz reportedly receiving 27.51% of the county's vote.[6] No Democratic candidate has received more than 20% of the county's vote since, at latest, 1988.[7]
Cities
References
- ^ Idaho.gov - Jefferson County - accessed 2009-05-31
- ^ a b Jefferson County QuickFacts, United States Census Bureau, 2009-02-20, accessed 2009-05-31.
- ^ "Find a County". National Association of Counties. http://www.naco.org/Template.cfm?Section=Find_a_County&Template=/cffiles/counties/usamap.cfm. Retrieved 2008-01-31.
- ^ census.gov Idaho population by county, 1900-90 - accessed on 2009-05-31
- ^ "American FactFinder". United States Census Bureau. http://factfinder.census.gov. Retrieved 2008-01-31.
- ^ David Leip's Presidential Election Atlas - 1972 statistics
- ^ The New York Times Electoral Map (Zoom in on Idaho)
External links
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