What is the most common ZIP code in San Diego?

Of all the San Diego ZIP codes, 92105 has the largest population with 72,994 residents as of 2015. That area encompasses several residential neighborhoods just east of downtown including City Heights, Fairmount Park, Fox Canyon and Oak Park. The largest concentration of businesses is located downtown in ZIP code 92101.

San Diego covers 30 different ZIP codes in all. In addition to 92105, ZIP codes 92104, 92113 and 92102 also have over 47,000 residents each. All three of those ZIP codes cover primarily residential areas east of downtown. The least populated ZIP code in the city is 92121, located in the Sorrento Valley area north of downtown, which has just over 4,000 residents.