Map of Washington County, 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.

Washington County overview:
Name:Washington County
FIPS code:39-167
State:Ohio
Founded:July 27, 1788
Named for:George Washington
Seat:Marietta
Largest city:Marietta
Total Area:640 sq mi (1,700 km²)
Land Area:632 sq mi (1,640 km²)
Total Population:59,711
Population Density:93/sq mi (36/km²)
Time zone:UTC−5 (Eastern)
Summer Time Zone (DST):UTC−4 (EDT)
Website:www.washingtongov.org

Washington County location map. Where is Washington County?

Washington County location on the U.S. Map. Where is Washington County.
Location of Washington County in the the United States.
Washington County location on the Ohio map. Where is Washington County.
Location of Washington County in Ohio.

Washington County Road Map

Washington CountyStreet Map.
Street map of Washington County, Ohio. Source: OpenStreetMap (OSM)
Washington CountyMap
Washington Countypolitical map.

Geography

According to the U.S. Census Bureau, the county has a total area of 640 square miles (1,700 km), of which 632 square miles (1,640 km) is land and 8.0 square miles (21 km) (1.3%) is water. It is the fifth-largest county in Ohio by land area.

Washington County’s southern and eastern boundary is the Ohio River. The Muskingum River, Little Muskingum River, Duck Creek, and the Little Hocking River flow through the county to the Ohio River.

Adjacent counties

Major highways

  • I-77
  • US 50
  • SR 7
  • SR 26
  • SR 60
  • SR 145
  • SR 260
  • SR 339
  • SR 530
  • SR 550
  • SR 555
  • SR 676
  • SR 821

Protected areas

  • Wayne National Forest (part)
  • Boord State Nature Preserve

Washington County Topographic Map

Topographic Map of Washington County, Ohio
Washington County Topo map.

Washington County Satellite Map

Satellite Map of Washington County, Ohio
Washington County satellite map.

Washington County Outline Map

Outline Map of Washington County, Ohio
Washington County outline map.

See also

Map of Ohio State and its subdivision: Map of other states:
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