Lennox is located in south California. Lennox is part of Los Angeles County. Lennox has 1.09 square miles of land area and has no water area. As of 2010-2014, the total Lennox population is 22,039, which has shrunk 3.97% since 2000. The population growth rate is much lower than the state average rate of 12.39% and is much lower than the national average rate of 11.61%. Lennox median household income is $36,573 in 2010-2014 and has grown by 29.36% since 2000. The income growth rate is about the same as the state average rate of 29.47% and is higher than the national average rate of 27.36%. Lennox median house value is $312,000 in 2010-2014 and has grown by 101.16% since 2000. The house value growth rate is higher than the state average rate of 75.60% and is much higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Lennox is worse than the state average in quality.