Mercer Island is a city located in the Washington region of the United States. During the most recent census, Mercer Island had a population of 22,699. Mercer Island is the 49th most poplulated city in the Washington region, the 1,963rd most populated city in the United States and the 12,547th most populated city in the world. Mercer Island is in the America/Los Angeles timezone which is 7 hours behind UTC. Mercer Island adjusts the hour with daylight savings time during the winter months.
Mercer Island is located near sea level (102 meters / 335 feet). The closest cities to Mercer Island are Bellevue (4.7 km / 2.9 miles), Medina (5.6 km / 3.5 miles), Eastgate (5.7 km / 3.6 miles), Newcastle (6.1 km / 3.8 miles) and Clyde Hill (6.8 km / 4.2 miles)