|Box Elder County, Utah|
Box Elder County Courthouse, January 2010
Location in the U.S. state of Utah
Utah's location in the U.S.
BOX ELDER COUNTY UTAH Latitude and Longitude:
|Named for||Box elder tree|
|Largest city||Brigham City|
|• Total||6,729 sq mi (17,428 km2)|
|• Land||5,746 sq mi (14,882 km2)|
|• Water||934 sq mi (2,419 km2), 15%|
|• ( 2017)||54,079 |
|• Density||9.4/sq mi (3.6/km2)|
|Time zone||Mountain: UTC−7/ −6|
Box Elder County is a county on the northwestern edge of Utah, United States. As of 2017, the population is 54,079.  Its county seat and largest city is Brigham City.  The county was named for the box elder trees that abound in the county.
Box Elder County lies on the north end of the Great Salt Lake, covering a large area north to the Idaho border and west to the Nevada border. Included in this area are large tracts of barren desert, contrasted by high, forested mountains. The Wasatch Front lies along the south-eastern border, where the main cities are found.
- 1 History
- 2 Geography
- 3 Demographics
- 4 Education
- 5 Politics
- 6 Communities
- 7 See also
- 8 References
- 9 External links
The California Trail followed Goose Creek from a point just north of the Idaho/Utah border southwest across northwestern Box Elder County to Little Goose Creek in northeastern Elko County, Nevada.  The link-up of the first transcontinental railroad at Promontory Summit, Utah.
The famous Spiral Jetty was built in 1970.
According to the U.S. Census Bureau, the county has a total area of 6,729 square miles (17,430 km2), of which 5,746 square miles (14,880 km2) is land and 984 square miles (2,550 km2) (15%) is water.  It is the fourth-largest county in Utah by area.
In the east lie the Wellsville Mountains, a branch of the Wasatch Range. In the west is a large, mostly uninhabited desert area. The Great Salt Lake lies in the southern portion of the county. Interstate 15 runs through the eastern portion merged with Interstate 84 past Brigham City. They split at Tremonton, with 84 heading northwest past Snowville into Idaho and 15 heading north past Plymouth and Portage into Idaho.
- Cache County (east)
- Weber County (southeast)
- Tooele County (south)
- Elko County, Nevada (west)
- Cassia County, Idaho (north)
- Oneida County, Idaho (north)
- Bear River Migratory Bird Refuge
- Caribou-Targhee National Forest (part)
- Golden Spike National Historic Site
- Sawtooth National Forest (part)
- Wasatch-Cache National Forest (part)
|U.S. Decennial Census
1790–1960  1900–1990 
1990–2000  2010–2014 
As of the census of 2000, there were 42,745 people, 13,144 households, and 10,804 families residing in the county. The population density was 8 people per square mile (3/km²). There were 14,209 housing units at an average density of 2 per square mile (1/km²). The racial makeup of the county was 92.87% White, 0.17% Black or African American, 0.88% Native American, 0.96% Asian, 0.08% Pacific Islander, 3.45% from other races, and 1.60% from two or more races. 6.53% of the population were Hispanic or Latino of any race.
There were 13,144 households out of which 47.10% had children under the age of 18 living with them, 71.00% were married couples living together, 7.90% had a female householder with no husband present, and 17.80% were non-families. Of the 13,144 households, 281 are unmarried partner households: 247 heterosexual, 22 same-sex male, and 12 same-sex female. 16.00% 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 3.22 and the average family size was 3.63.
In the county, the population was spread out with 36.10% under the age of 18, 10.50% from 18 to 24, 25.40% from 25 to 44, 17.70% from 45 to 64, and 10.40% who were 65 years of age or older. The median age was 28 years. For every 100 females there were 101.70 males. For every 100 females age 18 and over, there were 98.90 males.
The median income for a household in the county was $44,630, and the median income for a family was $49,421. Males had a median income of $38,814 versus $22,435 for females. The per capita income for the county was $15,625. About 5.80% of families and 7.10% of the population were below the poverty line, including 8.30% of those under age 18 and 5.30% of those age 65 or over.
As of the census  of 2010, there were 49,975 people, 16,058 households, and 12,891 families residing in the county. The population density was 8.73 people per square mile (3.37/km²). There were 17,326 housing units at an average density of 3.03 per square mile (1.17/km²). The racial makeup of the county was 91.77% White, 0.34% Black or African American, 0.82% Native American, 0.89% Asian, 0.17% Pacific Islander, 3.77% from other races, and 2.24% from two or more races. 8.31% of the population were Hispanic or Latino of any race.
There were 16,058 households out of which 41.32% had children under the age of 18 living with them, 67.44% were married couples living together, 8.69% had a female householder with no husband present, and 19.72% were non-families. 17.16% of all households were made up of individuals and 7.39% had someone living alone who was 65 years of age or older. The average household size was 3.09 and the average family size was 3.50.
In the county, the population was spread out with 36.60% under the age of 20, 5.55% from 20 to 24, 25.37% from 25 to 44, 21.35% from 45 to 64, and 11.13% who were 65 years of age or older. The median age was 30.6 years. For every 100 females there were 101.59 males. For every 100 females age 18 and over, there were 96.61 males.
As of 2015, the largest self reported ancestry groups in Box Elder County were:
- 26.0% were of English ancestry
- 12.7% were of German ancestry
- 9.3% were of American ancestry
- 8.4% were of Danish ancestry
- 5.5% were of Irish ancestry
- 4.5% were of Scottish ancestry 
- Grouse Creek
- Lake View
- Mountain View
- North Park
- Park Valley
- Three Mile Creek
- Alice C. Harris
- Adele C. Young
- Bear River
- Box Elder
- Bear River
- Box Elder
- Dale Young Community
- Early Learning Center
- Independent Life Skills Center
- Utah portal
- List of counties in Utah
- National Register of Historic Places listings in Box Elder County, Utah
- "Find a County". National Association of Counties. Archived from the original on 2011-05-31. Retrieved 2011-06-07.
- "California Trail". Trails West. Retrieved October 24, 2014.
- "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved March 27, 2015.
- "Population and Housing Unit Estimates". Retrieved June 9, 2017.
- "U.S. Decennial Census". United States Census Bureau. Archived from the original on May 12, 2015. Retrieved March 27, 2015.
- "Historical Census Browser". University of Virginia Library. Retrieved March 27, 2015.
- Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved March 27, 2015.
- "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved March 27, 2015.
- "State & County QuickFacts". United States Census Bureau. Retrieved December 29, 2013.
- "American FactFinder". United States Census Bureau. Archived from the original on 2013-09-11. Retrieved 2011-05-14.
- Bureau, U.S. Census. "American FactFinder - Results". factfinder.census.gov. Retrieved 2018-03-30.
- Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved 2018-03-30.
|Wikimedia Commons has media related to Box Elder County, Utah.|