
Mckenna
- County:
- Pierce County
- County Seat:
- No
- Area (mi²):
- 1.088
- State:
- Washington
McKenna is a CDP located in Pierce County, Washington. McKenna has a 2025 population of 514. McKenna is currently declining at a rate of -2.47% annually and its population has decreased by -17.5% since the most recent census, which recorded a population of 623 in 2020.
The average household income in McKenna is $159,848 with a poverty rate of 17.35%. The median age in McKenna is 52.2 years: 37.4 years for males, and 55.9 years for females.