RCW 36.16.030: Elective county officers enumerated.

Except as provided elsewhere in this section, in every county there shall be elected from among the qualified voters of the county a county assessor, a county auditor, a county clerk, a county coroner, three county commissioners, a county prosecuting attorney, a county sheriff, and a county treasurer, except that in each county with a population of less than forty thousand the county legislative authority may determine that no coroner shall be elected and instead appoint a coroner. In a county with a population of two hundred fifty thousand or more, the county legislative authority may replace the office of coroner with a medical examiner system and appoint a medical examiner as specified in RCW 36.24.190. Any county may enter into an interlocal agreement under chapter 39.34 RCW with an adjoining county for the provision of coroner or medical examiner services. A noncharter county may have five county commissioners as provided in RCW 36.32.010 and 36.32.055 through * 36.32.0558.