San Diego, California

San Diego population, 2020 to 2024

San Diego added 19,628 residents from July 2020 to July 2024, a change of +1.4%. In the latest year it moved by +9,897. Among 429 California places of 5,000 or more, that growth ranks 107th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so San Diego is 37.9 times that size.

San Diego covers 326.09 square miles of land and 46.33 of water, for 4,307 people per square mile of land. The median California place of 5,000+ has 3,725, so San Diego is denser than the typical town.

What county San Diego is in

All of San Diego's residents live in San Diego County, which had 3,298,799 residents in 2024. San Diego holds 42.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in San Diego

46 ZIP Code Tabulation Areas (ZCTAs) overlap San Diego by at least 10% of the ZCTA's or the city's land: 92014, 92025, 92027, 92037, 92071, 92092, 92093, 92101, 92102, 92103, 92104, 92105, 92106, 92107, 92108, 92109, 92110, 92111, 92113, 92114, 92115, 92116, 92117, 92119, 92120, 92121, 92122, 92123, 92124, 92126, 92127, 92128, 92129, 92130, 92131, 92132, 92134, 92136, 92139, 92140, 92145, 92147, 92154, 92161, 92173, 92182. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where San Diego is

The Census internal point of San Diego is at 32.815000, -117.135600. Sacramento, the capital, is 467.1 miles NNW in a straight line. The nearest larger place is Los Angeles, CA (3,878,704 people), 111.0 miles away. The nearest city of 100,000 or more is El Cajon, CA, 10.2 miles away. The ground at the internal point is about 127 m (417 ft) above sea level.

Daylight in San Diego

At 32.82° N, San Diego gets about 14 h 19 min of daylight around the June solstice and 9 h 59 min around the December solstice, a swing of 4 h 20 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the San Diego daylight page.

Places near San Diego

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is La Mesa, 7.3 miles away, with 60,767 people.