Wyoming County Resources
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This entry was originally written by Dwight A. Radford in Red Book: American State, County, and Town Sources.
An important research consideration for Wyoming is that its counties, as they exist today, went through many changes in a relatively short period of time. When organized, it included four counties from Dakota Territory—Albany, Carbon, Carter, and Laramie—and Green County from Utah Territory. When the territory was organized on 19 May 1869, Uinta County was created from the formally unorganized portions of Utah and Idaho. At that time, Carter County was renamed Sweetwater. By 1923, Wyoming had been subdivided into its present twenty-three counties.
In addition to the territorial and homestead land records held by the Wyoming State Archives, the county clerk holds land records filed by county after the date of formation. District clerks are to be addressed for court and probate records, though most will also be found at the Wyoming State Archives. No county birth or death records exist before mandatory statewide recording, but most counties hold marriage records. Some even date before incorporation.
Contact the archives prior to conducting extensive research on the county level to determine which county records have been deposited at the Wyoming State Archives and which are only available on a county level. See also current holdings at http://wyoarchives.state.wy.us/databases/county/county.htm.
County addresses in the following charts were taken from the National Association of Counties website at www.naco.org. Dates for county records were taken from the Wyoming State Archives website at http://wyoarchives.state.wy.us.
|Map||County||County Address||Date Formed||Parent County(ies)||Birth||Marriage||Death||Land||Probate||Court|
|G6||Albany||525 Grand Ave., Laramie 82070-3836||1868||original (Dakota Territory)||——||1868||1899||1868||1869||1869|
|D1||Big Horn||420 W. C St., Basin 82410-0031||created 1890||organized 1897 Fremont/Johnson/Sheridan||——||1897||——||1885||1897||1897|
|H2||Campbell||500 S. Gillette Ave. Ste. 212, Gillette 82716-4239||1911||Crook/Weston||——||1913||——||1885||1913||1913|
|F6||Carbon||P.O. Box 6, Rawlins 82301-0006||1868||original(Dakota Territory)||——||1870||——||1867||1875||1870|
|Carter||1867||(renamed Sweetwater, 1869) Original(Dakota Territory)||——||1870||——||1867||1875||1870|
|H4||Converse||107 N. 5th St. Ste. 114, Douglas 82633-2448||1888||Albany/Laramie||——||1888||——||1882||1889||1888|
|J1||Crook||P.O. Box 37, Sundance 82729-0037||created 1875||organized 1885 Laramie/Albany||——||1885||——||1884||1886||1886|
|D4||Fremont||450 N. Second, Rm. 220, Lander 82520-2360||1884||Sweetwater||——||1884||——||1882||1884||1884|
|J6||Goshen||P.O. Box 160, Torrington 82240-0160||created 1911||organized 1913 Laramie||——||1913||——||1913||1913||1913|
|D3||Hot Springs||415 Arapahoe St., Thermopolis 82443-2731||created 1911||organized 1913 Fremont/Big Horn/Park||——||1913||——||1893||1912||1911|
|F2||Johnson||76 N. Main St., Buffalo 82834-1847||created 1875 (as Pease; renamed 1879)||organized 1877 Carbon/Sweetwater||——||1881||——||1881||1885||1881|
|J7||Laramie||310 W. 19th St., Ste. 300, Cheyenne 82001-2799||1867||original (Dakota Territory)||——||1868||——||1867||1868||1868|
|A5||Lincoln||925 Sage Ave., Kemmerer 83101-0670||1911||Uinta||——||1913||——||1871||1899||1913|
|F4||Natrona||P.O. Box 863, Casper 82602-0863||created 1888||organized 1890 Carbon||——||1890||——||1880||1891||1890|
|J4||Niobrara||424 S. Elm St., Lusk 82225||created 1911||organized 1913 Converse||——||1889||——||1883||1913||1911|
|C1||Park||1002 Sheridan Ave., Cody 83414-3598||created 1909||organized 1911, Big Horn||——||1911||——||1911||1911||1911|
|Pease||1875||(renamed Johnson,1879) Carbon/Sweetwater|
|H6||Platte||800 Ninth St./P.O. Box 728, Wheatland 82201-0728||1911||Laramie||——||1913||——||1873||1913||1913|
|F1||Sheridan||224 S. Main St., Ste. B-2, Sheridan 82801-4833||1888||Johnson||——||1888||——||1887||1888||1888|
|B4||Sublette||P.O. Box 250, Pinedale 82941-0250||created 1921||organized 1923 Fremont/Lincoln||——||1923||——||1922||1923||1923|
|C6||Sweetwater||P.O. Box 730, Green River 82935-0730||1867||(as Carter; renamed 1869) original(Dakota Territory)||——||1870||——||1867||1868||1867|
|A3||Teton||P.O. Box 3594, Jackson 83001-3594||created 1921||organized 1922 Lincoln||——||1922||——||1902||1923||1922|
|A7||Uinta||225 Ninth St., Evanston 82930-3415||1869||original (Utah and Idaho Territories)||——||1872||——||1861||1861||1872|
|E3||Washakie||P.O. Box 260, Worland 82401-0260||created 1911||organized 1913 Big Horn||——||1913||——||1906||1913||1912|
|J3||Weston||1 W. Main St., Newcastle 82701-2121||1890||Crook||——||1890||——||1885||1890||1891|