
Lennox
- County:
- Los Angeles County
- County Seat:
- No
- Area (mi²):
- 1.093
- State:
- California
Lennox is a CDP located in Los Angeles County, California. Lennox has a 2025 population of 20,170. Lennox is currently declining at a rate of -0.85% annually and its population has decreased by -10.26% since the most recent census, which recorded a population of 22,476 in 2020.
The average household income in Lennox is $78,189 with a poverty rate of 14.84%. The median age in Lennox is 34.5 years: 34 years for males, and 35 years for females.