
McKay
- County:
- Umatilla County
- County Seat:
- No
- Area (mi²):
- 23.441
- State:
- Oregon
McKay is a CDP located in Umatilla County, Oregon. McKay has a 2025 population of 111. McKay is currently growing at a rate of 6.73% annually and its population has increased by 38.75% since the most recent census, which recorded a population of 80 in 2020.
The average household income in McKay is $159,282 with a poverty rate of 10.34%. The median age in McKay is 56.9 years: 58.4 years for males, and 56.6 years for females.