List of counties in Utah
Wikimedia list article
||FIPS code||County seat||Established||Origin||Meaning of name||Population(2010)||Area(2010) ||Map|
|Beaver County||001||Beaver||1856||Part of Iron County||The many beavers in the area||6,629||2,590 sq mi
|Box Elder County||003||Brigham City||1856||Part of Weber County||The many Box Elder trees in the area||49,975||5,724 sq mi
|Cache County||005||Logan||1857||Part of Weber County||Caches of furs made by Rocky Mountain Fur Company trappers||112,656||1,165 sq mi
|Carbon County||007||Price||1894||Part of Emery County||The vast coal beds in the county.||21,403||1,479 sq mi
|Daggett County||009||Manila||1919||Part of Uintah County||Ellsworth Daggett (1810–1880), the first Utah Surveyor General||1,059||698 sq mi
|Davis County||011||Farmington||1850||Original county of State of Deseret||Daniel C. Davis (1804–1850), Mormon Battalion captain||295,332||304 sq mi
|Duchesne County||013||Duchesne||1913||Part of Wasatch County||Uncertain; likely origins are a Ute word translated "dark canyon", the French and Indian War site of Fort Duquesne (the county's initial settlement was also a fortress), the corrupted name of an area Indian chief, or the name of French fur trapper and explorer.||18,607||3,238 sq mi
|Emery County||015||Castle Dale||1880||Part of Sanpete County||George W. Emery (1830–1909), Governor of the Utah Territory from 1875–1880||10,976||4,452 sq mi
|Garfield County||017||Panguitch||1882||Part of Iron County||James A. Garfield (1831–1881), President of the United States in 1881||5,172||5,174 sq mi
|Grand County||019||Moab||1890||Part of Emery County||The Grand River, since renamed to the Colorado River||9,225||3,682 sq mi
|Iron County||021||Parowan||1850||Original county of State of Deseret||Iron mines west of Cedar City.||46,163||3,298 sq mi
|Juab County||023||Nephi||1852||Original county of Territory of Utah||A Native American word translated "thirsty valley"||10,246||3,392 sq mi
|Kane County||025||Kanab||1864||Part of Washington County||Thomas L. Kane (1822–1883), U.S. Army officer who spoke in favor of the Mormon migration and settlement of Utah||7,125||3,992 sq mi
|Millard County||027||Fillmore||1851||Original county of Territory of Utah||Millard Fillmore (1800–1874), President of the United States from 1850 to 1853||12,503||6,590 sq mi
|Morgan County||029||Morgan||1862||Part of Davis County||Jedediah Morgan Grant (1816–1856), an Apostle of The Church of Jesus Christ of Latter-day Saints||9,469||609 sq mi
|Piute County||031||Junction||1865||Part of Beaver County||The Piute tribe of Native Americans who lived in the area||1,556||758 sq mi
|Rich County||033||Randolph||1864||Part of Cache County||Charles C. Rich (1809–1883), an Apostle of The Church of Jesus Christ of Latter-day Saints||2,264||1,029 sq mi
|Salt Lake County||035||Salt Lake City||1849||Original county of State of Deseret||The Great Salt Lake, the largest terminal lake in the Western Hemisphere||1,029,665||737 sq mi
|San Juan County||037||Monticello||1880||Parts of Kane, Iron, and Piute counties||Named for the San Juan River, a 400-mile (640 km) tributary of the Colorado river located in southern Colorado and Utah||14,746||7,821 sq mi
|Sanpete County||039||Manti||1849||Original county of State of Deseret||Uncertain, possibly from a Ute Chief named San Pitch||27,882||1,588 sq mi
|Sevier County||041||Richfield||1862||Part of Sanpete County||The Sevier River, a 280-mile (450 km) mile river in central Utah||20,802||1,910 sq mi
|Summit County||043||Coalville||1854||Part of Salt Lake and Green River counties||High elevations in the county, which includes 39 of Utah's highest peaks||36,324||1,871 sq mi
|Tooele County||045||Tooele||1849||Original county of State of Deseret||Uncertain, either from the Goshute Tribe Chief Tuilla or the Tules plant that grew in the marshes||58,218||6,946 sq mi
|Uintah County||047||Vernal||1880||Part of Wasatch||The Uintah band of the Ute tribe who lived in the area||32,588||4,477 sq mi
|Utah County||049||Provo||1849||Original county of State of Deseret||Yuta, the Spanish name for the Ute tribe||516,564||1,998 sq mi
|Wasatch County||051||Heber City||1862||Part of Utah and Sanpete counties||A Native American word meaning "mountain pass", also the name of the Wasatch Range||23,530||1,181 sq mi
|Washington County||053||St. George||1852||Original county of Territory of Utah||George Washington (1732–1799), President of the United States from 1789 to 1797||138,115||2,427 sq mi
|Wayne County||055||Loa||1892||Part of Piute County||Wayne Robinson, the son of Utah state legislator Willis Robinson, who was killed by a horse while both men traveled to a legislative session.||2,589||2,778 sq mi
|Weber County||057||Ogden||1849||Original county of State of Deseret||The Weber River, a 125 miles (201 km) tributary of the Great Salt Lake||231,236||576 sq mi
There were ten counties in the Territory of Utah that were added into other states or Utah counties.
|Carson County||1854||1861||Named for the Carson River, a 150-mile (240 km) river in Nevada and California that originates from the Sierra Nevada Mountains||Nevada|
|Cedar County||1856||1862||Named for the numerous cedar trees growing in the area (which are actually juniper trees)||Utah County|
|Desert County||1852||1862||Named for the surrounding desert||Box Elder County, Tooele County and Nevada|
|Greasewood County||1856||1862||Named for the greasewood plant growing in the area||Box Elder County|
|Green River County||1852||1872||Named for the Green River, a 730-mile (1,170 km) tributary of the Colorado River that runs through Wyoming, Colorado and Utah||Cache, Weber, Morgan, Davis, Wasatch, Summit, Duchesne, Carbon, and Utah Counties, and Wyoming and Colorado|
|Humboldt County||1856||1861||Named for the Humboldt River, a 300-mile (480 km) river in Nevada and longest river in the Great Basin||Nevada|
|Malad County||1856||1862||Named for the Malad River, the name being French for "sickly"||Box Elder County|
|Rio Virgin County||1869||1872||Named for the Virgin River, a 160 miles (260 km) long tributary of the Colorado River located in southern Utah and Nevada||Washington County, Nevada and Arizona|
|St. Mary's County||1856||1861||Named after the Mary's River, which was later renamed to the Humboldt River||Nevada|
|Shambip County||1856||1862||Goshute Native American Tribe word for Rush Lake||Tooele County|
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- "Utah". About Counties. National Association of Counties. Retrieved July 21, 2007.
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- "Cedar City lacks namesake trees". The Spectrum. Cedar City. April 14, 2010. Retrieved April 29, 2010.