Muskingum Township, Washington County, Ohio

Devola is a census-designated place (CDP) in Washington County, Ohio, United States, along the Muskingum River. It is part of the Parkersburg-Marietta-Vienna, WV-OH Metropolitan Statistical Area. The population was 2,639 at the 2020 census.

The Colonel Joseph Barker House is a historic residence in Washington County, Ohio, United States. Located north of Marietta, in the Muskingum Township community of Devola, it has changed little since its construction in the early nineteenth century, and it has been designated a historic site.

Rainbow is an unincorporated community in Washington County, in the U.S. state of Ohio.

Washington County is a county located in the southeastern part of the U.S. state of Ohio. As of the 2020 census, the population was 59,711. Its county seat is Marietta. The county, the oldest in the state, is named for George Washington. Washington County comprises the Marietta, OH Micropolitan Statistical Area, which is also included in the Parkersburg-Marietta-Vienna, WV-OH Combined Statistical Area.

Rainbow Creek is a stream entirely within Washington County, Ohio.Rainbow Creek, noted for its rainbow shape, lent its name to the community of Rainbow, Ohio.

Oak Grove is an unincorporated community in Washington County, in the U.S. state of Ohio.The Oak Grove Volunteer Fire Department has served the community since the 1950s.

Unionville is an unincorporated community in Washington County, in the U.S. state of Ohio.

Marietta High School (MHS) is a four-year, public, secondary school in Marietta, Ohio, United States. The school serves students in the Marietta City School District in grades nine through twelve. As of 2021–2021, the enrollment was approximately 1,100. Marietta's mascot is Tabby the tiger and its colors are orange and black. The school participates in both the Ohio Valley Athletic Conference and Twin State League. MHS is accredited by the North Central Association of Colleges and Secondary Schools and the Ohio Department of Education.

Indian Run is a stream in the U.S. state of Ohio. It is a tributary to the Muskingum River. According to tradition, Indian Run was named from an incident when an American Indian went missing from his party after having boasted of the killing of a white pioneer settler.

Washington State Community College (WSCC) is a public community college in Marietta, Ohio. It was established in 1971 as Washington Technical College and moved to its current location in 1991.