| Combined city and county municipal corporations: State Constitution Art. 11 ยง 16 (Amendment 58). Determining population generally: Chapter 43.62 RCW. of annexed territory: RCW 35.13.260. First-class cities, generally: Chapter 35.22 RCW. Metropolitan municipal corporations: Chapter 35.58 RCW. Second-class cities, generally: Chapter 35.23 RCW. Towns, generally: Chapter 35.27 RCW. |