
Union Hill Novelty Hill
- County:
- King County
- County Seat:
- No
- Area (mi²):
- 24.244
- State:
- Washington
Union Hill-Novelty Hill is a CDP located in King County, Washington. Union Hill-Novelty Hill has a 2025 population of 24,265. Union Hill-Novelty Hill is currently growing at a rate of 1.52% annually and its population has increased by 4.98% since the most recent census, which recorded a population of 23,114 in 2020.
The average household income in Union Hill-Novelty Hill is $269,809 with a poverty rate of 5.1%. The median age in Union Hill-Novelty Hill is 44 years: 43.8 years for males, and 44.1 years for females.