King County's unemployment rate was 7.2 percent in June, down from 8.7 percent a year ago, the state Employment Security Department said Tuesday.

Snohomish County's rate was 8.3 percent, an improvement from 9.9 percent in June 2011. Pierce County's rate was 9.1 percent, also down from 9.9 percent a year ago.

The county figures are not seasonally adjusted. The department said that on a non-adjusted basis the statewide jobless rate was 8.2 percent, while the adjusted number reported last week was 8.3 percent.