Union Hill-Novelty Hill is a census-designated place (CDP) in King County, Washington, United States. The area was first recognized by the Census Bureau in the 2000 census. The population was 22,683 at the 2020 census.
Based on per capita income, Union Hill-Novelty Hill ranks 5th of 522 areas in the state of Washington to be ranked.
Geography
Union Hill-Novelty Hill is located in northern King County and is bordered to the west by the city of Redmond, and a separate portion of the city, comprising the Redmond Watershed Preserve, is surrounded by the northern part of the CDP. To the north is the Cottage Lake CDP, and Washington State Route 202 runs along the southern edge of the community in the valley of Evans Creek and Patterson Creek. The Ames Lake CDP is to the southeast, and downtown Seattle is to the southwest.
According to the United States Census Bureau, the Union Hill-Novelty Hill CDP has a total area of , of which are land and , or 0.36%, are water.