Issaquah is a city in King County, Washington, United States. The population was 40,051 at the 2020 census. Located in a valley and bisected by Interstate 90, the city is bordered by the Sammamish Plateau to the north and the "Issaquah Alps" to the south. It is home to the headquarters of the multinational retail company Costco Wholesale Corporation. Issaquah is included in the Seattle metropolitan area.
Sunset Way in downtown Issaquah
Coal miners' homes in Issaquah, 1913
Village Theatre's First Stage, Issaquah
Issaquah Valley Trolley car crossing Front Street. Operation ceased in fall 2020.
Interstate 90 in Washington
Interstate 90 (I-90), designated as the American Veterans Memorial Highway, is a transcontinental Interstate Highway that runs from Seattle, Washington, to Boston, Massachusetts. It crosses Washington state from west to east, traveling 298 miles (480 km) from Seattle across the Cascade Mountains and into Eastern Washington, reaching the Idaho state line east of Spokane. I-90 intersects several of the state's other major highways, including I-5 in Seattle, I-82 and U.S. Route 97 (US 97) near Ellensburg, and US 395 and US 2 in Spokane.
Looking west at the intersection of I-90 and I-5 in downtown Seattle
A section of I-90 near Snoqualmie Pass
I-90 crossing the Columbia River on the Vantage Bridge, as seen from the westbound lanes
Eastbound I-90 as it descends Sunset Hill into downtown Spokane
