King County posted its strongest growth in nearly a decade last year, with the population hitting 2.34 million.

Can trees from warmer places withstand Western Washington's sogginess? Forestry workers are starting a trial to find out.

David Amos, sought for failing to register as an offender, was arrested in King County, WA by joint law enforcement efforts.

Sound Transit, which constructs and operates transit service throughout Pierce, King and Snohomish counties, has been seeking a new CEO following former top executive Julie Timm’s announcement in ...

Gary Ridgway, the notorious serial killer also known as the "Green River Killer," was booked back into King County Jail after ...

Boeing Field has become the first U.S. airport to receive the hybrid electric Oshkosh Striker Volterra fire truck.The new ...

The arena football team said its inaugural season drew thousands of fans from several counties to its home 'field' at Angel ...

Local governments and insurers paid over $60 million to resolve and defend hundreds of jail-related claims in the last five years, a KING 5 investigation found.

A King County woman, arrested after authorities uncovered a drug lab and a stash of firearms, was sentenced Thursday to seven ...

For months, a mystery surrounded Gary Ridgway, one of the worst serial killers in American history. Why was he moved from his ...

The King County Sheriff’s Office (KCSO) boasts a robust K9 officer program with 12 deputy–dog teams. They cover all of KCSO’s ...

A transit union president says "everyone recognizes the problem" of safety on King County Metro transit and he's hoping a ...