Warehouse chain Costco previously had its headquarters in Kirkland. While Costco is now headquartered in Issaquah, the city is the namesake of its “Kirkland Signature” store brand.clockwise around Lake Washington
- Kirkland is a city in King County, Washington, United States. A suburb east of Seattle, its population was 92,175 in the 2020 U.S. census which made it the sixth largest city in the county and the twelfth largest in the state.