Beaver  |  Box Elder  |  Cache  |  Carbon  |  Daggett  |   Davis  |   Duchesne  |   Emery  |   Garfield  |  Grand

Iron  |  Juab  |  Kane  |  Millard  |  Morgan  |  Piute  |  Rich  |  Salt Lake  |  San Juan  |  Sanpete  |  Sevier  |  Summit

Tooele  |  Uintah  |  Utah  |  Wasatch  |  Washington  |  Wayne  |  Weber

County seat Established
Origin Etymology
Beaver County 001 Beaver 1856 Part of Iron County The many beavers in the area 6,629 2,590 sq mi State map highlighting Beaver County
Box Elder County 003 Brigham City 1856 Part of Weber County The many Box Elder trees in the area 49,975 5,746 sq mi State map highlighting Box Elder County
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 State map highlighting Cache County
Carbon County 007 Price 1894 Part of Emery County The vast coal beds in the county. 21,403 1,478 sq mi State map highlighting Carbon County
Daggett County 009 Manila 1919 Part of Uintah County Ellsworth Daggett (18101880), the first Utah Surveyor General 1,059 697 sq mi State map highlighting Daggett County
Davis County 011 Farmington 1850 Original county of State of Deseret Daniel C. Davis (18041850), Mormon Battalion captain 306,479 299 sq mi State map highlighting Davis County
Duchesne County 013 Duchesne 1913 Part of Wasatch County Origins are likely a Ute word "dark canyon", the French and Indian War site of Fort Duquesne the name of an area Indian chief, or the name of French fur trapper and explorer. 18,607 3,241 sq mi State map highlighting Duchesne County
Emery County 015 Castle Dale 1880 Part of Sanpete County George W. Emery (18301909), Governor of the Utah Territory from 18751880 10,976 4,462 sq mi State map highlighting Emery County
Garfield County 017 Panguitch 1882 Part of Iron County James A. Garfield (18311881), President of the United States in 1881 5,172 5,175 sq mi State map highlighting Garfield County
Grand County 019 Moab 1890 Part of Emery County The Grand River, since renamed to the Colorado River 9,225 3,672 sq mi State map highlighting Grand County
Iron County 021 Parowan 1850 Original county of State of Deseret Iron mines west of Cedar City. 46,163 3,297 sq mi State map highlighting Iron County
Juab County 023 Nephi 1852 Original county of Territory of Utah A Native American word translated "thirsty valley" 10,246 3,392 sq mi State map highlighting Juab County
Kane County 025 Kanab 1864 Part of Washington County Thomas L. Kane (18221883), U.S. Army officer who spoke in favor of the Mormon migration and settlement of Utah 7,125 3,990 sq mi State map highlighting Kane County
Millard County 027 Fillmore 1851 Original county of Territory of Utah Millard Fillmore (18001874), President of the United States from 1850 to 1853 12,503 6,572 sq mi State map highlighting Millard County
Morgan County 029 Morgan 1862 Part of Davis County Jedediah Morgan Grant(18161856), an Apostle of The Church of Jesus Christ of Latter-day Saints 9,469 609 sq mi State map highlighting Morgan County
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 State map highlighting Piute County
Rich County 033 Randolph 1864 Part of Cache County Charles C. Rich (18091883), an Apostle of The Church of Jesus Christ of Latter-day Saints 2,264 1,029 sq mi State map highlighting Rich County
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 1,029,665 742 sq mi State map highlighting Salt Lake County
San Juan County 037 Monticello 1880 Parts of Kane, Iron, and Piute counties Named for the San Juan River, a 400-mile  tributary of the Colorado river located in southern Colorado and Utah 14,746 7,820 sq mi State map highlighting San Juan County
Sanpete County 039 Manti 1849 Original county of State of Deseret Uncertain, possibly from a Ute Chief named San Pitch 27,882 1,590 sq mi State map highlighting Sanpete County
Sevier County 041 Richfield 1862 Part of Sanpete County The Sevier River, a 280-mile river in central Utah 20,802 1,911 sq mi State map highlighting Sevier County
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 1,872 sq mi State map highlighting Summit County
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 6,941 sq mi State map highlighting Tooele County
Uintah County 047 Vernal 1880 Part of Wasatch The Uintah band of the Ute tribe who lived in the area 32,588 4,480 sq mi State map highlighting Uintah County
Utah County 049 Provo 1849 Original county of State of Deseret Yuta, the Spanish name for the Ute tribe 516,564 2,003 sq mi State map highlighting Utah County
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 1,176 sq mi State map highlighting Wasatch County

Washington County


St. George


Original county of Territory of Utah

George Washington(17321799), President of the United States from 1789 to 1797


2,426 sq mi

State map highlighting Washington County

Wayne County




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.


2,461 sq mi

State map highlighting Wayne County




057 Ogden 1849

Original county of 

State of Deseret


The Weber River,

a 125 miles

tributary of the

Great Salt Lake


231,236 576 sq mi State map highlighting Weber County













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