List of counties in Utah

There are 29 counties in the U.S. state of Utah.

Counties

County	FIPS code[1]	County seat[2][3]	Established[2][3]	Origin[2]	Meaning of name[4][5]	Population (2020)[6]	Area[7]	Map
Beaver County	001	Beaver	1856	Part of Iron County[8]	The many beavers in the area	7,072	2,583 sq mi (6,690 km^2)
Box Elder County	003	Brigham City	1856	Part of Weber County	The many Box Elder trees in the area	57,666	5,746 sq mi (14,882 km^2)
Cache County	005	Logan	1857	Part of Weber County[8]	Caches of furs made by Rocky Mountain Fur Company trappers	133,154	1,165 sq mi (3,017 km^2)
Carbon County	007	Price	1894	Part of Emery County	The vast coal beds in the county.[9]	20,412	1,479 sq mi (3,831 km^2)
Daggett County	009	Manila	1919	Part of Uintah County	Ellsworth Daggett (1810–1880), the first Utah Surveyor General	935	697 sq mi (1,805 km^2)
Davis County	011	Farmington	1850	Original county of State of Deseret	Daniel C. Davis (1804–1850), Mormon Battalion captain	362,679	299 sq mi (774 km^2)
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.	19,596	3,235 sq mi (8,379 km^2)
Emery County	015	Castle Dale	1880	Part of Sanpete County[10]	George W. Emery (1830–1909), Governor of the Utah Territory from 1875–1880	9,825	4,462 sq mi (11,557 km^2)
Garfield County	017	Panguitch	1882	Part of Iron County	James A. Garfield (1831–1881), President of the United States in 1881	5,083	5,175 sq mi (13,403 km^2)
Grand County	019	Moab	1890	Part of Emery County	The Grand River, since renamed to the Colorado River	9,669	3,673 sq mi (9,513 km^2)
Iron County	021	Parowan	1850	Original county of State of Deseret	Iron mines west of Cedar City.[11]	57,289	3,296 sq mi (8,537 km^2)
Juab County	023	Nephi	1852	Original county of Territory of Utah	A Native American word translated "thirsty valley"	11,786	3,392 sq mi (8,785 km^2)
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	7,667	3,990 sq mi (10,334 km^2)
Millard County	027	Fillmore	1851	Original county of Territory of Utah	Millard Fillmore (1800–1874), President of the United States from 1850 to 1853	12,975	6,786 sq mi (17,576 km^2)
Morgan County	029	Morgan	1862	Part of Davis County[12]	Jedediah Morgan Grant (1816–1856), an Apostle of The Church of Jesus Christ of Latter-day Saints	12,295	609 sq mi (1,577 km^2)
Piute County	031	Junction	1865	Part of Beaver County	The Piute tribe of Native Americans who lived in the area	1,438	758 sq mi (1,963 km^2)
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	2,510	1,029 sq mi (2,665 km^2)
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	1,185,238	742 sq mi (1,922 km^2)
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	14,518	7,820 sq mi (20,254 km^2)
Sanpete County	039	Manti	1849	Original county of State of Deseret	Uncertain, possibly from a Ute Chief named San Pitch	28,437	1,590 sq mi (4,118 km^2)
Sevier County	041	Richfield	1862	Part of Sanpete County	The Sevier River, a 280-mile (450 km) mile river in central Utah	21,522	1,910 sq mi (4,947 km^2)
Summit County	043	Coalville	1854	Part of Salt Lake and Green River counties[13]	High elevations in the county, which includes 39 of Utah's highest peaks	42,357	1,871 sq mi (4,846 km^2)
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	72,698	6,942 sq mi (17,980 km^2)
Uintah County	047	Vernal	1880	Part of Wasatch[14]	The Uintah band of the Ute tribe who lived in the area	35,620	4,482 sq mi (11,608 km^2)
Utah County	049	Provo	1849	Original county of State of Deseret	Yuta, the Spanish name for the Ute tribe	659,399	2,004 sq mi (5,190 km^2)
Wasatch County	051	Heber City	1862	Part of Utah and Sanpete counties[15]	A Native American word meaning "mountain pass", also the name of the Wasatch Range	34,788	1,177 sq mi (3,048 km^2)
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	180,279	2,427 sq mi (6,286 km^2)
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.	2,486	2,461 sq mi (6,374 km^2)
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	262,223	576 sq mi (1,492 km^2)

Former counties

There were ten counties in the Territory of Utah that were added into other states or Utah counties.

County[2]	Established[2]	Superseded[2]	Etymology[5]	Present location[2]
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)[16]	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

References

1. "EPA County FIPS Code Listing". US Environmental Protection Agency. Retrieved February 23, 2008.
2. "Chart of County Formation in Utah". Utah Division of Archives and Record Services. Archived from the original on March 16, 2018. Retrieved April 25, 2010.
3. "Utah". About Counties. National Association of Counties. Archived from the original on July 11, 2007. Retrieved July 21, 2007.
4. "County Name History". Utah Association of Counties. Archived from the original on February 4, 2012. Retrieved January 7, 2012.
5. Van Cott, John W. (1990). Utah Place Name. Salt Lake City: University of Utah Press. ISBN 978-0874803457.
6. "QuickFacts". United States Census Bureau. Retrieved August 1, 2023.
7. "Gazetteer of Utah Counties". Census Bureau Geography. U.S. Census Bureau. Retrieved August 1, 2023.
8. "Colton's territories of New Mexico and Utah (1855)". University of Nevada at Reno. Archived from the original on February 24, 2012. Retrieved April 25, 2010.
9. "Three Utah coal mines targeted by federal safety inspectors". Salt Lake Tribune. April 23, 2010. Archived from the original on July 7, 2017. Retrieved April 28, 2010.
10. Bancroft, Hubert Howe (1890). History of Utah. San Francisco: The History Company. Retrieved April 25, 2010.
11. "Palladon Ventures". Palladon Ventures. Archived from the original on April 23, 2010. Retrieved April 28, 2010.
12. Tullidge, Edward William (1889). Tullidge's histories, (volume II) containing the history of all the northern Utah. Salt Lake City: Juvenile Instructor. p. 118. Retrieved April 25, 2010.
13. "Summit County". Utah History Encyclopedia. University of Utah. Retrieved April 25, 2010.
14. "Uintah County". Utah History Encyclopedia. University of Utah. Retrieved April 25, 2010.
15. State of Utah (1888). The compiled laws of Utah. Salt Lake City: Herbert Pembroke. p. 268. Retrieved April 25, 2010.
16. "Cedar City lacks namesake trees". The Spectrum. Cedar City. April 14, 2010. Archived from the original on November 4, 2012. Retrieved April 29, 2010.