East Wenatchee is a city in Douglas County, Washington, United States, as well as a suburb of Wenatchee. The population at the 2010 census was 13,190, a 129.1% increase on the 2000 census. As of April 1, 2016, the Office of Financial Management estimates that the current population is 13,500.On November 10, 2002, East Wenatchee was designated a principal city of the Wenatchee?East Wenatchee Metropolitan Statistical Area by the Office of Management and Budget.