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Washington County is a county located in the U.S. state of Maryland. The population was 154,705 as of the 2020 census. [1] Its county seat and largest city is Hagerstown. [2] The county is part of the Western Maryland region of the state.
Its county seat is Stillwater. [ 3 ] The largest city in the county is Woodbury, the eighth-largest city in Minnesota and the fourth-largest Twin Cities suburb. Washington County is included in the Minneapolis - St. Paul - Bloomington, MN- WI Metropolitan Statistical Area.
- Map of Washington Counties
- Interactive Map of Washington Counties
- Largest Counties in Washington by Population
- Smallest Counties in Washington by Population
- Other Notable Washington Counties
Below is a map of the 39 counties of Washington(you can click on the map to enlarge it and to see the major city in each county).
Click on any of the counties on the map to see its population, economic data, time zone, and zip code (the data will appear below the map). Data is sourced from the US Census 2021.
King County
King County, established in 1852, is located in Washington state and stands as its most populous county. Originally named for William Rufus DeVane King, the county was renamed for Dr. Martin Luther King in a 1986 King County Council motion. Seattle, the county seat, is known for its iconic Space Needle, vibrant Pike Place Market, and as a center for tech giants like Amazon and Microsoft. Although an urban hub, it is surrounded by natural beauty, including Puget Sound, Lake Washington, and the...
Pierce County
Pierce County, established in 1852, is Washington state’s second-most populous county. Tacoma serves as the county seat, offering a rich maritime heritage and a revitalized waterfront that includes the Museum of Glass, which showcases the region’s significant contributions to glass art. The county is home to Mount Rainier National Park, a major natural landmark providing opportunities for outdoor recreation and drawing visitors from around the globe. Pierce County also encompasses parts of Pu...
Snohomish County
Snohomish County, established in 1861, is located in northwest Washington State, directly north of King County. Everett, the county seat, is notable for its bustling waterfront and the Boeing Everett Factory, the world’s largest building by volume, where iconic Boeing aircraft are assembled. The county offers a wealth of natural beauty, including part of the Cascade Range, with opportunities for outdoor activities such as hiking, skiing at Stevens Pass, and exploring the scenic San Juan Islan...
Garfield County
Garfield County, established in 1881, is Washington’s least populous county, located in the southeastern part of the state. The county seat, Pomeroy, is nestled in a scenic valley, offering a glimpse into the area’s agricultural and pioneering heritage. Garfield County is characterized by its rolling hills and fertile farmlands, primarily producing wheat and legumes. The county offers outdoor activities with its close proximity to the Umatilla National Forest, providing trails for hiking, mou...
Columbia County
Columbia County, separated from Walla Walla County in 1875, is situated in southeastern Washington, with Dayton as its county seat. Dayton is recognized for its well-preserved historical downtown, boasting a collection of buildings listed on the National Register of Historic Places, and it proudly hosts the oldest working courthouse in the state. The county is embraced by the rolling hills of the Palouse, a region known for its agricultural productivity, especially in wheat and barley. The Tu...
Wahkiakum County
Wahkiakum County, established in 1854, is located in the southwestern part of Washington State, bordering the Columbia River. Cathlamet, the county seat, is a picturesque town that offers a glimpse into the area’s rich history and natural beauty. The town and its surroundings are known for their quiet, rural character and strong sense of community. The county is primarily rural, with a landscape dominated by forests, farmlands, and waterways. The Columbia River provides ample opportunities fo...
Whatcom County
Whatcom County, located in the northwest corner of Washington State, is known for its dynamic blend of outdoor beauty and vibrant cultural life, centered around the city of Bellingham. With its proximity to the Canadian border, the county serves as a gateway to international travel and commerce. The county’s diverse landscape includes the majestic Mount Baker, offering skiing and snowboarding in winter and hiking trails in summer. The San Juan Islands, accessible by ferry from Whatcom County,...
Skagit County
Skagit County, nestled in the northwestern part of Washington State, captivates visitors and residents with its agricultural bounty and natural splendor. The county seat, Mount Vernon, is particularly renowned each spring for the Skagit Valley Tulip Festival, which transforms the landscape into a vibrant tapestry of colors, drawing crowds from around the globe. The county’s geography spans from the saltwater shores of the Puget Sound to the summit of the Cascade Mountains, including portions...
Clallam County
Clallam County, on the Olympic Peninsula in Washington State, is framed by the Pacific Ocean to the west and the Olympic Mountains to the south. The county seat, Port Angeles, serves as a gateway to Olympic National Park, offering unparalleled access to diverse ecosystems, including temperate rainforests, alpine ridges, and rugged coastal beaches. The park’s vast wilderness provides endless opportunities for outdoor adventures, from hiking the trails of the Hoh Rainforestto exploring the tida...
Apr 16, 2023 · Washington Counties and County Seats. The county seat is usually the largest or most populous city or town in the county, and it is often the location of the county courthouse, as well as the county’s government offices. Below you can find a list of each Washington State county and its county seat.
Washington County is a county in the Commonwealth of Pennsylvania, United States. As of the 2020 census, the population was 209,349. [1] Its county seat is Washington. [2] The county is part of the Greater Pittsburgh region of the state. [a] The county is home to Washington County Airport, three miles (4.8 km) southwest of Washington.
Apr 1, 2024 · Below are profiles for all 39 counties in Washington State, including information on population size and links to the county website, county codes, budget, comprehensive plan, and county officials. Want to search multiple county codes or websites at once? See our City and County Websites Search and Washington County Codes.
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Washington County is one of 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 600,372, [1] making it the state's second most populous county. [2] The county seat and largest city is Hillsboro. [2][3]
