| County |
FIPS Code |
County Seat
[1] |
Created
[1] |
Formed from
[2] |
Etymology
[3] |
Population
[1] |
Area
[1] |
Map |
| Beaver County |
001 |
Beaver |
1856 |
Part of Iron County |
The Beaver River, recognizing the plentiful beavers in the area |
&0000000000006005.0000006,005 |
&0000000000002590.0000002,590 sq mi
(&0000000000006708.0000006,708 km²) |
 |
| Box Elder County |
003 |
Brigham City |
1856 |
Part of Weber County |
The abundance of Box Elder trees in the area |
&0000000000042745.00000042,745 |
&0000000000005724.0000005,724 sq mi
(&0000000000014825.00000014,825 km²) |
 |
| Cache County |
005 |
Logan |
1857 |
Unorganized territory |
Caches of furs made by Rocky Mountain Fur Company trappers |
&0000000000091391.00000091,391 |
&0000000000001165.0000001,165 sq mi
(&0000000000003017.0000003,017 km²) |
 |
| Carbon County |
007 |
Price |
1894 |
Part of Emery County |
The vast coal beds in the county |
&0000000000020422.00000020,422 |
&0000000000001479.0000001,479 sq mi
(&0000000000003831.0000003,831 km²) |
 |
| Daggett County |
009 |
Manila |
1919 |
Part of Uintah County |
Ellsworth Daggett (1810-1880), the first Utah Surveyor General |
&0000000000000921.000000921 |
&0000000000000698.000000698 sq mi
(&0000000000001808.0000001,808 km²) |
 |
| Davis County |
011 |
Farmington |
1850 |
Unorganized territory |
Daniel C. Davis (d. 1850), a captain in the Mormon Battalion |
&0000000000238994.000000238,994 |
&0000000000000304.000000304 sq mi
(&0000000000000787.000000787 km²) |
 |
| Duchesne County |
013 |
Duchesne |
1913 |
Part of Wasatch County |
Uncertain, possibilities include: the Ute Indian word doo-shane meaning dark canyon; Fort Duchesne; Rose Duchense (1769-1852), founder of the Society of the Sacred Heart in Utah; an early Indian chief; Du Chasne, an 1830's French Fur Trapper; and André Duchesne (1584-1640), a French historian |
&0000000000014371.00000014,371 |
&0000000000003238.0000003,238 sq mi
(&0000000000008386.0000008,386 km²) |
 |
| Emery County |
015 |
Castle Dale |
1880 |
Unorganized territory |
George W. Emery (1830-1909), Governor of the Utah Territory from 1875-1880 |
&0000000000010860.00000010,860 |
&0000000000004452.0000004,452 sq mi
(&0000000000011531.00000011,531 km²) |
 |
| Garfield County |
017 |
Panguitch |
1882 |
Part of Iron County |
James A. Garfield (1831-1881), President of the United States in 1881 |
&0000000000004735.0000004,735 |
&0000000000005174.0000005,174 sq mi
(&0000000000013401.00000013,401 km²) |
 |
| Grand County |
019 |
Moab |
1890 |
Part of Emery County |
The Grande River, later renamed the Colorado River |
&0000000000008485.0000008,485 |
&0000000000003682.0000003,682 sq mi
(&0000000000009536.0000009,536 km²) |
 |
| Iron County |
021 |
Parowan |
1850 |
|
Iron mines near Cedar City |
&0000000000033779.00000033,779 |
&0000000000003298.0000003,298 sq mi
(&0000000000008542.0000008,542 km²) |
 |
| Juab County |
023 |
Nephi |
1852 |
|
A Native American word meaning "thirsty valley" |
&0000000000008238.0000008,238 |
&0000000000003392.0000003,392 sq mi
(&0000000000008785.0000008,785 km²) |
 |
| Kane County |
025 |
Kanab |
1864 |
Part of Washington County |
Col. Thomas L. Kane (1822-1883), who assisted the Mormon migration to Utah |
&0000000000006046.0000006,046 |
&0000000000003992.0000003,992 sq mi
(&0000000000010339.00000010,339 km²) |
 |
| Millard County |
027 |
Fillmore |
1851 |
Part of Iron County. |
Millard Fillmore (1800-1874), President of the United States from 1850 to 1853 |
&0000000000012405.00000012,405 |
&0000000000006590.0000006,590 sq mi
(&0000000000017068.00000017,068 km²) |
 |
| Morgan County |
029 |
Morgan |
1862 |
|
Jedediah Morgan Grant (1816-1856), an apostle of the Church of Jesus Christ of Latter-Day Saints |
&0000000000007129.0000007,129 |
&0000000000000609.000000609 sq mi
(&0000000000001577.0000001,577 km²) |
 |
| Piute County |
031 |
Junction |
1865 |
Part of Beaver County |
The Piute tribe of Native Americans |
&0000000000001435.0000001,435 |
&0000000000000758.000000758 sq mi
(&0000000000001963.0000001,963 km²) |
 |
| 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 |
&0000000000001961.0000001,961 |
&0000000000001029.0000001,029 sq mi
(&0000000000002665.0000002,665 km²) |
 |
| Salt Lake County |
035 |
Salt Lake City |
1849 |
|
The Great Salt Lake, the largest terminal lake in the Western Hemisphere |
&0000000000898378.000000898,378 |
&0000000000000737.000000737 sq mi
(&0000000000001909.0000001,909 km²) |
 |
| San Juan County |
037 |
Monticello |
1880 |
Parts of Kane County, Iron County, and Piute County. |
Uncertain, possibilities include: early Spanish explorers or the San Juan River |
&0000000000014413.00000014,413 |
&0000000000007821.0000007,821 sq mi
(&0000000000020256.00000020,256 km²) |
 |
| Sanpete County |
039 |
Manti |
1849 |
|
Uncertain possibly from a Ute Chief named San Pitch |
&0000000000022763.00000022,763 |
&0000000000001588.0000001,588 sq mi
(&0000000000004113.0000004,113 km²) |
 |
| Sevier County |
041 |
Richfield |
1862 |
Part of Sanpete County. |
The Sevier River |
&0000000000018842.00000018,842 |
&0000000000001910.0000001,910 sq mi
(&0000000000004947.0000004,947 km²) |
 |
| Summit County |
043 |
Coalville |
1854 |
|
High elevations in the county, which includes 39 of Utah's highest peaks |
&0000000000029736.00000029,736 |
&0000000000001871.0000001,871 sq mi
(&0000000000004846.0000004,846 km²) |
 |
| Tooele County |
045 |
Tooele |
1849 |
|
Uncertain, possibly from a Native American Chief named Tuilla |
&0000000000040735.00000040,735 |
&0000000000006946.0000006,946 sq mi
(&0000000000017990.00000017,990 km²) |
 |
| Uintah County |
047 |
Vernal |
1880 |
|
The Ute tribe of Native Americans |
&0000000000025224.00000025,224 |
&0000000000004477.0000004,477 sq mi
(&0000000000011595.00000011,595 km²) |
 |
| Utah County |
049 |
Provo |
1849 |
|
Yuta, the Spanish name for the Ute tribe of Native Americans |
&0000000000368536.000000368,536 |
&0000000000001998.0000001,998 sq mi
(&0000000000005175.0000005,175 km²) |
 |
| Wasatch County |
051 |
Heber City |
1862 |
|
A Native American word meaning "mountain pass", also the name of the Wasatch Range |
&0000000000015215.00000015,215 |
&0000000000001181.0000001,181 sq mi
(&0000000000003059.0000003,059 km²) |
 |
| Washington County |
053 |
St. George |
1852 |
|
George Washington (1732-1799), President of the United States from 1789 to 1797 |
&0000000000090354.00000090,354 |
&0000000000002427.0000002,427 sq mi
(&0000000000006286.0000006,286 km²) |
 |
| Wayne County |
055 |
Loa |
1892 |
Part of Piute County. |
Wayne Robinson, the son of Utah state legislator Willis Robinson, although an alternate explanation suggests Revolutionary War Gen. Anthony Wayne (1745-1796) |
&0000000000002509.0000002,509 |
&0000000000002460.0000002,460 sq mi
(&0000000000006371.0000006,371 km²) |
 |
| Weber County |
057 |
Ogden |
1849 |
|
The Weber Basin surrounding the Weber River |
&0000000000196533.000000196,533 |
&0000000000000576.000000576 sq mi
(&0000000000001492.0000001,492 km²) |
 |