Fall City is a census-designated place (CDP) in King County, Washington, United States. Located 26 miles east of Seattle, the community lies along the Snoqualmie River. The population was 1,638 at the 2000 census. The Fall City Airport is a small private airport community located roughly 1 mile to the east. Based on per capita income, one of the more reliable measures of affluence, Fall City ranks 88th of 522 areas in the state of Washington to be ranked. The community's ZIP code and phone prefix are 98024 and 425-222 respective.