Washington County is the name of 30 counties and one parish in the United States of America, all named after

George Washington George Washington (, 1799) was a Founding Fathers of the United States, Founding Father and the first president of the United States, serving from 1789 to 1797. As commander of the Continental Army, Washington led Patriot (American Revoluti ...

, revolutionary war general and first President of the United States. It is the most common county name in the United States. The following 32 states and one district have or had a Washington County:

Extant counties

Washington County, Alabama Washington County is a county located in the southwestern part of the U.S. state of Alabama. As of the 2020 census, the population was 15,388. The county seat is Chatom. The county was named in honor of George Washington, the first Presiden ...

Washington County, Arkansas Washington County is a regional economic, educational, and cultural hub in the Northwest Arkansas region. Created as Arkansas's 17th County (United States), county on November 30, 1848, Washington County has 13 incorporated municipalities, inc ...

Washington County, Colorado Washington County is a county located in the eastern side of the U.S. state of Colorado. As of the 2020 census, the population was 4,817, making it the least populous "Washington County" in the United States. The county seat is Akron. The co ...

Washington County, Florida Washington County is a county located in the northwestern part of the U.S. state of Florida, in the Panhandle. As of the 2020 census, the population was 25,318. Its county seat is Chipley. Washington County is included in the Panama City—P ...

Washington County, Georgia Washington County is a County (United States), county located in the U.S. state of Georgia (U.S. state), Georgia. As of the 2020 United States census, 2020 census, the population was 19,988.U.S. 2020 Census Bureau report, Washington County, Ge ...

Washington County, Idaho Washington County is a county (United States), county in the U.S. state of Idaho. As of the 2020 United States census, 2020 census, the population was 10,500. The county seat and largest city is Weiser, Idaho, Weiser, with over half of the coun ...

Washington County, Illinois Washington County is a county located in the U.S. state of Illinois. As of the 2020 census, it had a population of 13,761. Its county seat is Nashville. It is located in the southern portion of Illinois known locally as " Little Egypt". His ...

Washington County, Indiana Washington County is a county in the U.S. state of Indiana. As of the 2020 United States census, the population was 28,182. The county seat (and the county's only incorporated city) is Salem. Washington County is part of the Louisville metrop ...

Washington County, Iowa Washington County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 22,565. The county seat is Washington. Washington County is included in the Iowa City metropolitan area. History Washington County was ...

Washington County, Kansas Washington County is a County (United States), county located in the U.S. state of Kansas. Its county seat and largest city is Washington, Kansas, Washington. As of the 2020 United States census, 2020 census, the county population was 5,530. ...

Washington County, Kentucky Washington County is a county located in the U.S. state of Kentucky. As of the 2020 census, its population was 12,027. Its county seat is Springfield. The county is named for George Washington. Washington County was the first county formed i ...

Washington Parish, Louisiana Washington Parish ( French: ''Paroisse de Washington''; ) is a parish located in the interior southeast corner of the U.S. state of Louisiana, one of the Florida Parishes. As of the 2020 census, the population was 45,463. Its parish seat is ...

Washington County, Maine Washington County is a county located in the U.S. state of Maine. As of the 2020 census, its population was 31,095, making it the third-least populous county in Maine. Its county seat is Machias. The county was established on June 25, 1789. ...

(in Massachusetts prior to 1820) *

Washington County, Maryland Washington County is a County (United States), county located in the U.S. state of Maryland. The population was 154,705 as of the 2020 United States census, 2020 census. Its county seat and largest city is Hagerstown, Maryland, Hagerstown. The ...

Washington County, Minnesota Washington County is a County (United States), county in the U.S. state of Minnesota. As of the 2020 United States census, 2020 census, the population was 267,568, making it the fifth-most populous county in Minnesota. Its county seat is Stillw ...

Washington County, Mississippi Washington County is a county located in the U.S. state of Mississippi. As of the 2020 census, the population was 44,922. Its county seat is Greenville. The county is named in honor of the first president of the United States, George Washingt ...

Washington County, Missouri Washington County is a county located in the southeastern part of the U.S. state of Missouri. As of the 2020 United States census, the population was 23,514. The county seat and largest city is Potosi. The county was officially organized on ...

Washington County, Nebraska Washington County is a county in the U.S. state of Nebraska. As of the 2020 United States census, the population was 20,865. Its county seat is Blair. Washington County is part of the Omaha-Council Bluffs metropolitan area. In the Nebraska l ...

Washington County, New York Washington County is a county in the U.S. state of New York. As of the 2020 census, the population was 61,302. The county seat is Fort Edward. The county was named for U.S. President George Washington. The county is part of the Capital Dis ...

Washington County, North Carolina Washington County is a county located in the U.S. state of North Carolina. As of the 2020 census, the population was 11,003. Its county seat is Plymouth. The county was formed in 1799 from the western third of Tyrrell County. It was named fo ...

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. Wa ...

Washington County, Oklahoma Washington County is a county located in the northeastern part of the U.S. state of Oklahoma. As of the 2020 census, the population was 52,455. Its county seat is Bartlesville. Named for President George Washington, it is the smallest county ...

Washington County, Oregon Washington County is one of Oregon counties, 36 counties in the U.S. state of Oregon and part of the Portland metropolitan area. The 2020 United States census, 2020 census recorded the population as 600,372, making it the second most populous c ...

Washington County, Pennsylvania Washington County is a County (United States), county in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, United States. As of the 2020 United States census, 2020 census, the population was 209,349. Its county seat is Washington, Pe ...

Washington County, Rhode Island Washington County, known locally as South County, is a county located in the U.S. state of Rhode Island. As of the 2020 census, the population was 129,839. Rhode Island counties have no governmental functions other than as court administrat ...

Washington County, Tennessee Washington County is a county located in the U.S. state of Tennessee. As of the 2020 census, the population was 133,001. Its county seat is Jonesborough. The county's largest city and a regional educational, medical and commercial center is ...

Washington County, Texas Washington County is a county in Texas. As of the 2020 census, its population was 35,805. Its county seat is Brenham, which is located along U.S. Highway 290, 72 miles northwest of Houston. The county was created in 1835 as a municipality o ...

Washington County, Utah Washington County is a county in the southwestern corner of Utah, United States. As of the 2020 United States census, the population was 180,279, making it the fifth-most populous county in Utah. Its county seat and largest city is St. Geor ...

Washington County, Vermont Washington County is a county located in the U.S. state of Vermont. Named after George Washington, its shire town (county seat) is the city of Montpelier (the least populous state capital in the United States) and the most populous municipal ...

Washington County, Virginia Washington County is a county located in the Commonwealth of Virginia. As of the 2020 United States census, the population was 53,935. Its county seat is Abingdon. Washington County is part of the Kingsport–Bristol–Bristol, TN-VA Metr ...

Washington County, Wisconsin Washington County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 136,761. Its county seat is West Bend. The county was created from Wisconsin Territory in 1836 and organized in 1845. It was named after P ...

Former counties

Washington County, South Dakota Washington County is a former county of South Dakota, existing from 1883 to 1943. The county was mostly within the boundaries of the Pine Ridge Indian Reservation The Pine Ridge Indian Reservation (), also called Pine Ridge Agency, is an Ogl ...

, a former county (1883–1943) that was divided in 1943 because of financial troubles in South Dakota *

Washington County, D.C. The County of Washington was one of five original political entities within the District of Columbia, the capital of the United States. Formed by the Organic Act of 1801 from parts of Montgomery and Prince George's County, Maryland, Washington C ...

, a former county of the District of Columbia that was abolished in 1871 along with all of the other counties in that District *Washington County, Massachusetts, became

, in 1820 when Maine was separated and granted statehood status. *

Washington District, North Carolina The Washington District of North Carolina was in a remote area west of the Appalachian Mountains, officially existing for only a short period (November 1776 – November 1777), although it had been self-proclaimed and functioning as an independent ...

, a district and later county in North Carolina that became part of Tennessee in 1796.

Other uses

List of counties in Washington The U.S. state of Washington has 39 counties. The Provisional Government of Oregon established Vancouver and Lewis Counties in 1845 in unorganized Oregon Country, extending from the Columbia River north to 54°40′ north latitude. After ...

, counties in the state of Washington * ''Washington County'' (album), a 1970 album by Arlo Guthrie * Washington County School District (disambiguation)

Extant counties

Former counties

Other uses

See also