Oregon County is named for the Oregon Territory in the western United States.
Surrounding County Courthouses:
N – Shannon County and Carter County
E – Ripley County
S – Randolph County, Arkansas, Sharp County, Arkansas and Fulton County, Arkansas
W – Howell County
Created: February 14, 1845 
County Seat:
Thomasville 1845 – 1860
Alton 1860 – present
County Courthouse – Alton
Location: Courthouse Square / Market Street
Built: 1939– 1942
Style: Art Deco
Architect: Earl Hawkins of Springfield
Contractor: Work Projects Administration
Description: The building faces north and is a three story red colored Ironton granite and concrete structure. The building is located on the landscaped grounds of the Courthouse Square in the center of Alton. The north front has a central entrance which is framed with stone. A horizontal band of stone runs below the first story windows. A band of stone runs along the roof line. In the interior, the County Circuit Court courtroom is located at the center of the second story and extends into the third story. The building houses the County Circuit Court of the 37th Judicial Circuit. This was a Work Projects Administration project. An addition was constructed in 1996.
See: The 37th Judicial Circuit includes Carter County, Howell County, Oregon County and Shannon County.
History: The county was created in 1845 and Thomasville was selected as the county seat. The first courthouse was built in Thomasville in 1847 with John R Woodside serving as superintendent. The county seat was moved to Alton in 1860. The second courthouse was built by G W Reed in Alton in 1861 at a cost of $4,550 and was destroyed by fire in October 1863. In 1870, W Harper prepared a plan for the third courthouse but the plan designed by Samuel W. Greer accepted and the courthouse was constructed by J F Kidwell at a cost of $5,795. In 1904, the building was remodeled by W E Wadsworth at a cost of $5,100. The fourth and present courthouse was constructed in 1939 to 1942 at cost of $100,000.
County Courthouse – Alton
Photos taken 2009