Grant County Map, Washington

Written and Fact-checked by | Updated On: January 16, 2026, 13:28 ET

Map of Grant County - Grant County is a county located in the U.S. state of Washington. Grant County Map showing cities, highways, important places and water bodies. Get Where is Grant County located in the map, major cities in Grant county, population, areas, and places of interest.

Map of Grant County, Washington

Map of Grant County, Washington

About Grant County Map, Alabama: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

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    • Map of Grant County, Washington

    Grant County is a county located in the U.S. state of Wisconsin. It`s county seat is Lancaster. As per 2020 census, the population of Grant County was 52110 and population density of Grant was square miles. According to the United States Census Bureau, the county has a total area of 1,146.85 sq mi (2,970 km2). Grant County was established on 1837.

    Facts about Grant County, Washington

    CountryUnited States
    StateWashington
    RegionCentral Washington
    County SeatEphrata
    Named AfterUlysses S. Grant (18th U.S. President)
    Established1909
    Organized1909
    Coordinates47.2000° N, 119.4500° W
    Total Area2,791 sq mi
    Land Area2,681 sq mi
    Water Area110 sq mi
    Population (2020)99,123
    Population RankMid-sized county in Washington
    Largest CityMoses Lake
    Main IndustriesAgriculture, Food Processing, Manufacturing, Renewable Energy
    Major HighwaysInterstate 90, State Route 17, State Route 28
    Time ZonePacific Time (UTC−08:00)
    Known ForColumbia Basin Project, Irrigated farmland, Moses Lake
    Websitehttps://www.grantcountywa.gov

    Top Attractions in Grant County, Washington

    • Sun Lakes–Dry Falls State Park – Dramatic basalt cliffs and lakes.
    • Dry Falls – Massive ancient waterfall site.
    • Soap Lake – Mineral-rich lake and shoreline.
    • Moses Lake – Boating, fishing, and recreation.
    • Potholes State Park (nearby) – Sand dunes and reservoirs.
    • Columbia National Wildlife Refuge – Desert lakes and birding.
    • Wanapum Dam & Heritage Center – River views and culture.
    • Ginkgo Petrified Forest State Park (nearby) – Petrified wood exhibits.
    • Japanese Peace Garden (Moses Lake) – Quiet lakeside garden.
    • Soap Lake Natural Spa – Historic mineral baths.
    • Grant County Historical Museum – Local history displays.
    • Columbia Basin Farmlands – Expansive agricultural scenery.

    Cities & Towns in Grant County, Washington

    Moses Lake, Ephrata, Quincy, Grand Coulee, Soap Lake, Coulee City, Royal City, Warden, Mattawa, George, Grant County Rural Communities

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