Laramie County, Wyoming Genealogy Records

Selected record inventories for Laramie County, their listed years, and where to ask for access.

Selected inventory review: 2026-11-02. Selected repository catalog metadata reviewed. This is not a complete holdings audit or certification of current access. See the repository note for limitations. Official repository catalog or holdings guide

Formed
1867
County seat
Cheyenne
Albany CountyCarbon CountyConverse CountyGoshen CountyPlatte CountyLaramie CountyAlbanyGoshenPlatteLaramie
Laramie CountyToday's boundaries · U.S. Census Bureau

Listed record inventories

Selected holdings and indexes for Laramie County, checked against the repository descriptions linked below. Date spans may contain gaps; an index is not a complete set of original records.

See the repository's descriptions and search options

Repository access note: Collection-level court records described by Wyoming State Library guides to State Archives holdings. Date spans may contain gaps and are not inventories of every case or series. Links lead to the verified guide; its external finding-aid host was not accessible during this review. Confirm case numbers, restrictions and custody with the Archives or court.

Sources: the catalogs and repository descriptions linked on the entries above. Selected inventories do not establish complete coverage of every record type or online access to original documents. Read the repository access note for source dates and limitations.

Where to find the records

Offices change their hours and access rules; call before you visit.

Boundaries and parent counties

Formed from: Land not yet in any county

Later formed partly from Laramie County: Albany County, Carbon County, Converse County, Crook County, Goshen County, Platte County, Sweetwater County

Dakota TerritoryMissoulaDeer LodgeEdgertonMadisonJeffersonBeaverheadBig Horn (original)ChoteauMeagherGallatinMusselshell (original)Laramie (Wyo.)Laramie (Wyo.)Big Horn (original)MeagherGallatin
Laramie (Wyo.) as created in 1867Today's boundaryBoundaries: Newberry Library, Atlas of Historical County Boundaries

Records stay with the county that created them. If your ancestor lived here before 1867, search the parent county. The Atlas of Historical County Boundaries shows each boundary change.

Research tip

Wyoming began statewide registration of births and deaths in 1909. Before 1868 its land was part of Dakota, Idaho, Utah and other territories.