In the city, the population was spread out with 22.7% under the age of 18, 6.2% from 18 to 24, 38.7% from 25 to 44, 22.9% from 45 to 64, and 9.5% who were 65 years of age or older. The median income for a household in the city was $61,341, and the median income for a family was $74,007.
Males had a median income of $52,486 versus $41,682 for females. About 3.1% of families and 4.6% of the population were below the poverty line, including 4.7% of those under age 18 and 6.0% of those age 65 or over.
The facility, now operated by Northrop Grumman, is still an aircraft plant.
The north and south boundaries of the town are Los Angeles International Airport and Manhattan Beach, with the Pacific Ocean as the western boundary. El Segundo is located at reported that El Segundo had a population of 16,654.
The city earned its name ("the second" in Spanish) as it was the site of the second Standard Oil refinery on the West Coast (the first was at Richmond in Northern California), when Standard Oil of California purchased the 840 acres (3.4 km The Douglas Aircraft Company plant in El Segundo was one of the major aircraft manufacturing facilities in California during World War II.