Sheridan County, Wyoming
Historic newspapers, landmarks, and county history layers for genealogists and local historians.
At a glance
SummaryThe National Register of Historic Places includes 30 listed properties in the county, first listed in 1966; 1 is also National Historic Landmark. Most listings are in or near Sheridan, Dayton, Big Horn.
Summary generated automatically from the source data on this page.
Newspapers
Library of CongressNewspaper directory data for Wyoming is not yet loaded on this site. Browse Sheridan titles at the Library of Congress.
National Register of Historic Places
NPS NRHP22 of 30 listings mapped; some locations are restricted by NPS to protect sensitive sites.
30 listed properties
| Property | City | Listed |
|---|---|---|
| Big Goose Creek Buffalo Jump | Sheridan | 1974 |
| Big Red Ranch Complex | Ucross | 1984 |
| CKW Bridge over Powder River | Arvada | 1985 |
| Clearmont Jail | Clearmont | 1984 |
| Connor Battlefield | Ranchester | 1971 |
| Dayton Community Hall | Dayton | 2005 |
| Dayton Mercantile | Dayton | 2016 |
| EAU Arvada Bridge | Arvada | 1985 |
| EBF Bridge over Powder River | Leiter | 1985 |
| ECR Kooi Bridge | Monarch | 1985 |
| ECS Bridge over Big Goose Creek | Sheridan | 1985 |
| First Congregational Church | Sheridan | 2023 |
| Fort MacKenzie | Sheridan | 1981 |
| George, Stephen, Homestead | Sheridan | 2023 |
| Holy Name Catholic School | Sheridan | 2013 |
| Johnson Street Historic District | Big Horn | 1984 |
| Mount View | Sheridan | 1997 |
| Odd Fellows Hall | Big Horn | 1980 |
| Quarter Circle A Ranch | Big Horn | 1976 |
| Robinson-Smith House | Sheridan | 2016 |
| Sheridan County Courthouse | Sheridan | 1982 |
| Sheridan County Fairgrounds Historic District | Sheridan | 2011 |
| Sheridan Flouring Mills, Inc. | Sheridan | 1997 |
| Sheridan Inn NHL | Sheridan | 1966 |
| Sheridan Main Street Historic District | Sheridan | 1982 |
| Sheridan Railroad Historic District | Sheridan | 2004 |
| St. Peter's Episcopal Church | Sheridan | 2013 |
| Stone House, The | Wyarno | 2022 |
| Trail End | Sheridan | 1970 |
| Wissler, Susan, House | Dayton | 1984 |
Source: National Park Service, National Register of Historic Places. Property links open NRHP nomination files at the National Archives.
County formation
Newberry AHCBSheridan was formed in 1888 (1888-03-09) from Johnson.
SHERIDAN created by Wyoming Territory from JOHNSON; SHERIDAN not fully organized, attached to JOHNSON for administrative and judicial purposes.
Source: Newberry Library, Atlas of Historical County Boundaries.
Population by decade
CensusSheridan County population from 1890 to 2020 (Census historical series).
| 1890 | 1900 | 1920 | 1940 | 1950 | 1960 | 1980 | 2000 | 2020 |
|---|---|---|---|---|---|---|---|---|
| 1,972 | 5,122 | 18,182 | 19,255 | 20,185 | 18,989 | 25,048 | 26,560 | 30,921 |
Sources: U.S. Census Bureau historical county population (Forstall 1790–1990) and public-domain / CC0 county population series through 2020.
Cemeteries & historical places
USGS GNIS12 cemeteries and 0 historical populated places (ghost towns / former settlements) recorded in USGS GNIS for this county.
Cemeteries — 12 of 12 listed
| Name |
|---|
| Arvada Cemetery |
| Dayton Cemetery |
| Evangelical Lutheran Cemetery of Monarch |
| First Presbyterian Church Columbarium |
| Monarch Cemetery |
| Mount Hope Cemetery |
| Mount Hope Cemetery |
| Saint Peters Episcopal Church Columbarium |
| Sheridan Elks Cemetery |
| Sheridan Municipal Cemetery |
| Sunnybrook Cemetery |
| Trinity Lutheran Church Columbarium |
Source: USGS Geographic Names Information System (public domain). Cemeteries from the 2021 NationalFile archive; historical places from GNIS HistoricalFeatures topical extract.
Historical markers
HMdb linkMarker text and photos from the Historical Marker Database (HMdb) are not embedded here. HMdb allows non-commercial reuse with attribution, but commercial/compensated use needs written permission; this is a commercial site, so we only link out.
Search HMdb for Sheridan County, Wyoming
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