The land area of the 92123 zip code is about 8.2 sq. miles with a population in 2016 of about 30,635, with a total of 53% being renters. Total number of houses and condos within the 92123 zip code is about 11,969, while renter occupied apartments run at a estimated 5,989. The 805 highway runs down the southwest side of town and Interstate 15 runs to the east side of the boundary lines. Areas of town include Serra Mesa, Birdland, part of Kearny Mesa, Montgomery-Gibbs Executive Airport and a small part of Linda Vista.