Wyoming County Creation Dates and Parent Counties
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See an interactive outline map of Wyoming Historical Counties at Newberry Library site[1] (Free) Enter a year, Refresh Map, select zoom in, then click on the map to enlarge it. |
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Sort the table by Date Formed or by Parent Counties and check Boundary Changes for interesting insights. |
| Name of County | Date Formed | Boundary Changes |
Parent County | Counties Created by Boundary Changes |
| Albany | 1868 Dec 16 | Details | Wyoming Territory | none |
| Big Horn | 1890 Mar 12 | Details | Fremont, Johnson | Park 1909, Washakie 1911 |
| Campbell | 1911 Feb 13 | Details | Crook, Weston | none |
| Carbon | 1868 Dec 16 | Details | Wyoming Territory | Natrona 1888 |
| Carter | 1867 Dec 27 | Details | Wyoming Territory | renamed Sweetwater 1869 |
| Converse | 1888 Mar 09 | Details | Laramie, Albany | Niobrara 1911 |
| Crook | 1875 Dec 08 | Details | Pease | Campbell 1911, Weston 1890 |
| Fremont | 1884 Mar 05 | Details | Sweetwater | Big Horn 1890, Hot Springs 1911, Sublette 1921, Washakie 1911 |
| Goshen | 1911 Feb 09 | Details | Platte, Laramie | none |
| Hot Springs | 1911 Feb 09 | Details | Fremont | none |
| Johnson | 1869 Dec 13 | Details | renamed from Pease | Big Horn 1890, Sheridan 1888 |
| Laramie | 1867 Jan 09 | Details | Wyoming Territory | Converse 1888, Goshen 1911, Platte 1911 |
| Lincoln | 1911 Feb 20 | Details | Uinta | Teton 1921 |
| Natrona | 1888 Mar 09 | Details | Carbon | none |
| Niobrara | 1911 Feb 14 | Details | Converse | none |
| Park | 1909 Feb 15 | Details | Big Horn | none |
| Pease | 1867 Dec 27 | Details | Wyoming Territory | renamed Johnson 1869 |
| Platte | 1911 Feb 09 | Details | Laramie | Goshen 1911 |
| Sheridan | 1888 Mar 09 | Details | Johnson | none |
| Sublette | 1921 Jan 15 | Details | Fremont | none |
| Sweetwater | 1867 Dec 27 | Details | renamed from Carter | Fremont 1884 |
| Teton | 1921 Feb 15 | Details | Lincoln | none |
| Uinta | 1869 Dec 01 | Details | Wyoming Territory | Lincoln 1911 |
| Washakie | 1911 Feb 09 | Details | Big Horn, Fremont | none |
| Weston | 1890 Mar 12 | Details | Crook | Campbell 1911 |
References[edit | edit source]
- ↑ [http://historical-county.newberry.org/website/Wyoming/viewer.htm Wyoming Atlas of Historical County Boundaries, John H. Long, Editor; Peggy Tuck Sinko, Associate Editor; Gordon DenBoer, Historical Compiler; Douglas Knox, Book Digitizing Director and Digital Compiler; Emily Kelley, Research Associate; Laura Rico-Beck, GIS Specialist; Peter Siczewicz, ArcIMS Interactive Map Designer; Robert Will, Cartographic Assistant. Copyright The Newberry Library 2008.
