The largest municipality by population in Washington is Seattle with 737,015 residents, and the smallest municipality by population is Krupp with 49 residents.[1][6] The state has ten cities with populations greater than 100,000 residents and sixteen with populations between 50,000 and 100,000 residents; the majority of cities have fewer than 5,000 residents.[7] Seattle is also the largest municipality by land area, at 83.84 sq mi (217.1 km2), while Beaux Arts Village is the smallest at 0.08 sq mi (0.21 km2); both are located in King County.[8] The oldest municipality is Steilacoom, which was incorporated in 1854;[9] the most recent municipality to incorporate was Spokane Valley in 2003.[10]
The state has five classifications for its 281 municipalities: 197 are code cities, 10 are first-class cities, 5 are second-class cities, 69 are towns, and 1 is an unclassified city.[3] All municipalities have an elected city or town council and an executive—either a mayor or manager—to oversee administration of the government. The municipal government generally provides policing, fire protection, emergency services, a court system, road maintenance, planning and permitting, parks and recreation, and some utilities.[7]