Issaquah, Washington

Issaquah, Washington
Aerial view of Issaquah from the northwest
Aerial view of Issaquah from the northwest
Location of Issaquah, Washington
Location of Issaquah, Washington
Issaquah is located in Washington (state)
Issaquah
Issaquah
Location in Washington
Issaquah is located in the United States
Issaquah
Issaquah
Location in the USA
Coordinates: 47°32′35″N 122°01′36″W / 47.54306°N 122.02667°W / 47.54306; -122.02667
CountryUnited States
StateWashington
CountyKing
IncorporatedApril 29, 1892
Government
 • TypeMayor–council
 • MayorMark Mullet
Area
 • Total
13.18 sq mi (34.14 km2)
 • Land12.13 sq mi (31.42 km2)
 • Water1.05 sq mi (2.72 km2)
Elevation
62 ft (19 m)
Population
 (2020)
 • Total
40,051
 • Estimate 
(2024)
39,664
 • Density3,301/sq mi (1,275/km2)
Time zoneUTC-8 (Pacific (PST))
 • Summer (DST)UTC-7 (PDT)
ZIP codes
98027, 98029, 98075
Area code425
FIPS code53-33805
GNIS feature ID2410123
Websiteissaquahwa.gov
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Issaquah (/ˈɪsəkwɑː/ ISS-ə-kwah) 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