Oregon County, Missouri
Historic newspapers, landmarks, and county history layers for genealogists and local historians.
At a glance
SummaryThe National Register of Historic Places includes 3 listed properties in the county, first listed in 1971. Most listings are in or near Thayer, Alton, Riverton.
Summary generated automatically from the source data on this page.
Newspapers
Library of CongressNewspaper directory data for Missouri is not yet loaded on this site. Browse Oregon titles at the Library of Congress.
National Register of Historic Places
NPS NRHP1 of 3 listings mapped; some locations are restricted by NPS to protect sensitive sites.
3 listed properties
| Property | City | Listed |
|---|---|---|
| Church of the Holy Trinity | Thayer | 2017 |
| Greer Mill | Alton | 2006 |
| Pigman Mound Archeological Site | Riverton | 1971 |
Source: National Park Service, National Register of Historic Places. Property links open NRHP nomination files at the National Archives.
County formation
Newberry AHCBOregon was formed in 1841 (1841-02-15) from Ripley.
OREGON created from RIPLEY; OREGON not fully organized, attached to RIPLEY "for all civil and military purposes."
Source: Newberry Library, Atlas of Historical County Boundaries.
Population by decade
CensusOregon County population from 1850 to 2020 (Census historical series).
| 1850 | 1860 | 1880 | 1900 | 1920 | 1940 | 1950 | 1960 | 1980 | 2000 | 2020 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1,432 | 3,009 | 5,791 | 13,906 | 12,889 | 13,390 | 11,978 | 9,845 | 10,238 | 10,344 | 8,635 |
Sources: U.S. Census Bureau historical county population (Forstall 1790–1990) and public-domain / CC0 county population series through 2020.
Cemeteries & historical places
USGS GNIS44 cemeteries and 2 historical populated places (ghost towns / former settlements) recorded in USGS GNIS for this county.
Cemeteries — 44 of 44 listed
| Name |
|---|
| Andrews Cemetery |
| Bailey Cemetery |
| Bellah Cemetery |
| Bethlehem Cemetery |
| Byrd Cemetery |
| Cave Spring Cemetery |
| Childress Cemetery |
| Cliff Cemetery |
| Clifton Cemetery |
| Cotton Creek Cemetery |
| Dills Cemetery |
| Fagan Cemetery |
| Falling Spring Cemetery |
| Hall Cemetery |
| Hickory Grove Cemetery |
| Hollis Cemetery Number 02 |
| Hollis Cemetery Number 1 |
| Howell Cemetery |
| Huddleston Graveyard |
| Jobe Cemetery |
| Jolliff Graveyard |
| Koshkonong Cemetery |
| Lance Cemetery |
| Lane Cemetery |
| Latter Day Saints Cemetery |
| Mammoth Springs Cemetery |
| Mount Carmel Cemetery |
| Neal Cemetery |
| New Salem Cemetery |
| Norman Cemetery |
| Oak Ridge Cemetery |
| Palmer Graveyard |
| Pleasant Hill Cemetery |
| Redburn Cemetery |
| Rose Hill Cemetery |
| Ross Cemetery |
| Smith Cemetery |
| Smyrna Cemetery |
| Spring Creek Cemetery |
| Thomas Cemetery |
| Union Hill Cemetery |
| Walker Cemetery |
| Walnut Grove Cemetery |
| Woodring Graveyard |
Historical populated places — 2 of 2
| Name |
|---|
| Jobe |
| Ross |
Source: USGS Geographic Names Information System (public domain). Cemeteries from the 2021 NationalFile archive; historical places from GNIS HistoricalFeatures topical extract.
Historical markers
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Search HMdb for Oregon County, Missouri
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