There are twenty-three Counties in the state of Wyoming. There were originally five Counties in the
Wyoming Territory: Laramie and Carter, established in 1867; Carbon and Albany established in 1868; and Uinta, an
annexed portion of Utah and Idaho, extending from Montana (including Yellowstone Park) to the Wyoming-Utah
boundary. On July 10, 1890, Wyoming was admitted to the Union with thirteen counties.
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Organized from Uinta in 1913. First individuals came as trappers, explorers, and settlers. Oregon, Mormon and
California Trails cross this area. The county covers from the West border of Wyoming past Opal and From Afton South of
Kemmerer. The major industries are ranching, farming, mining, gas and oil production, and numerous production plants.
Bridger National Forest covers part of Lincoln County. Fossil Butte National Monument is located west of Kemmerer and is
a large collection for public view of Fossils. The road from Kemmerer to Afton is one of the major routes to Yellowstone
National Park. The area has mountains, desert, and farm land. The terrain is ever changing and beautiful with something
for all individuals.
1811 Hoback Canyon and River named
1824 Ham's Fork named
1829 La Barge named
1842 Fort Bridger established
1850 California becomes a state
1853 Fort Supply established
1858 Fort Bridger becomes a military post
1867 Union Pacific Railroad crosses Wyoming
1868 Diamondville established
1869 Wyoming Territory formed
(1 Dec) Uinta County created. It included the present day counties of Teton, Lincoln Uinta, and half of
Sublette. The town of Merril was named the County Seat for a short time after the creation of the county.
Evanston was then named the County Seat.
1870 U. S. Census of Wyoming Uinta County population of 856
1872 (1 Mar) Congress created Yellowstone Park
1873 Evanston Incorporated
1874 Cokeville established
1876 Evanston Land Office opened
1879 Settlements of Freedom, Stumpp Creek(Auburn) in Salt River Valley (Star Valley) started
First cabin built
Geography: Land and Water
As reported by the Census Bureau, the county has a total area of 4,089 square miles (10,590 km2), of which,
4,069 square miles (10,539 km2) of it is land and 20 square miles (52 km2) of it (0.49%) is water
Bordering counties are as follows:
Teton County (north)
Sublette County (northeast)
Sweetwater County (east)
Uinta County (south)
Rich County, Utah (southwest)
Bear Lake County, Idaho (west)
Caribou County, Idaho and Bonneville County, Idaho (northwest)