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a m e r i c a n l o c a l h i s t o r y n e t w o r k w y o m i n g w e b s i t e
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WYOMING COUNTIES
|
COUNTY NAME |
COUNTY SEAT |
YEAR CREATED |
YEAR ORGANIZED |
PARENT COUNTIES |
PLATE NUMBER |
| Albany | Laramie | 1868 | ORIGINAL | 5 | |
| Big Horn | Basin | 1890 | 1897 |
Fremont Johnson Sheridan |
9 |
| Campbell | Gillette | 1913 |
Crook Weston |
17 | |
|
Carter* |
-- | -- | -- | -- | -- |
| Carbon | Rawlins | 1868 | ORIGINAL | 6 | |
| Converse | Douglas | 1888 |
Albany Laramie |
13 | |
| Sundance | 1875 | 1885 |
Albany Laramie |
18 | |
| Fremont | Lander | 1884 | Sweetwater | 10 | |
| Goshen | Torrington | 1913 | Laramie | 7 | |
|
Hanover** |
-- | -- | -- | -- | -- |
| Thermopolis | 1913 |
Big Horn Fremont Park |
15 | ||
| Buffalo | 1881 |
Carbon Sweetwater |
16 | ||
| Laramie | Cheyenne | 1867 | 1868 | ORIGINAL | 2 |
| Lincoln | Kemmerer | 1913 | Uinta | 12 | |
| Natrona | Casper | 1890 | Carbon | 1 | |
| Niobrara | Lusk | 1911 | 1913 | Converse | 14 |
| Park | Cody | 1909 | 1911 | Big Horn | 11 |
|
Pease*** |
-- | -- | -- | -- | -- |
| Platte | Wheatland | 1913 | Laramie | 8 | |
| Sheridan | Sheridan | 1888 | Johnson | 3 | |
| Pinedale | 1923 |
Fremont Lincoln |
23 | ||
| Sweetwater | Green River | 1867 | 1868 | ORIGINAL | 4 |
| Teton | Jackson | 1921 | Lincoln | 22 | |
| Uinta | Evanston | 1868 | ORIGINAL | 19 | |
| Washakie | Worland | 1913 | Big Horn | 20 | |
| Weston | Newcastle | 1890 | Crook | 21 |
* Carter County, one of Wyoming's five original counties, was renamed Sweetwater County in 1869. Its first county seat was South Pass City.
** According to the Wyoming Almanac, Hanover County existed for seven days in 1911 before it was renamed Washakie County.
*** Pease County, formed in 1875, was renamed Johnson County in 1879.
