{{Infobox settlement

| name = San Diego 
| settlement\_type = City
|image\_skyline = SD Montage.jpg
|image\_caption = Images from top, left to right: San Diego Skyline, Coronado Bridge, museum in Balboa Park, Serra Museum in Presidio Park and the Old Point Loma lighthouse
| image\_flag = Flag of San Diego, California.svg
| image\_seal = Seal of San Diego, California.svg
| flag\_size = 120px
| nickname = "America's Finest City", "Birthplace of California", "City in Motion"
| motto = *Semper Vigilans* (Latin for "Ever Vigilant")
| image\_map = San Diego County California Incorporated and Unincorporated areas San Diego Highlighted.svg
| mapsize = 250x200px
| map\_caption = Location of San Diego in San Diego County, California
| pushpin\_map = California#USA
| pushpin\_label = San Diego
| pushpin\_label\_position = right
| pushpin\_map\_caption = Location within California##Location within the United States

| coordinates = 32°42′54″N 117°09′45″W﻿ / ﻿32.71500°N 117.16250°W﻿ / 32.71500; -117.16250
| subdivision\_type = Country
| subdivision\_name =  United States of America
| subdivision\_type1 = State
| subdivision\_name1 =  California
| subdivision\_type2 = County
| subdivision\_name2 =  San Diego

| established\_title = Established
| established\_date = July 16, 1769
| established\_title2 = Incorporated
| established\_date2 = March 27, 1850

| named\_for = Saint Didacus of Alcalá

| government\_type = Strong Mayor
| governing\_body = San Diego City Council
| leader\_title = Mayor
| leader\_name = Todd Gloria (D)
| leader\_title1 = City Attorney
| leader\_name1 = Mara Elliott (D)
| unit\_pref = Imperial
| total\_type = Total
| area\_footnotes = 
| area\_total\_km2 = 964.56
| area\_total\_sq\_mi = 372.42
| area\_land\_km2 = 844.02
| area\_land\_sq\_mi = 325.88
| area\_water\_km2 = 120.54
| area\_water\_sq\_mi = 46.54
| area\_water\_percent = 12.68

| elevation\_footnotes = 
| elevation\_ft = 62
| elevation\_min\_ft = 0

| elevation\_max\_footnotes = 
| population\_total = 1386932
| population\_as\_of = 2020
| population\_footnotes = 
| population\_density\_sq\_mi = 4255.96
| population\_density\_km2 = 1643.25
| population\_urban = 3,070,300 (US: 15th)
| population\_density\_urban\_km2 = 1,756.9
| population\_density\_urban\_sq\_mi = 4,550.5
| population\_urban\_footnotes = 
| population\_metro\_footnotes = 
| population\_metro = 3298634 (US: 17th)
| population\_

1. ↑  "California City Nicknames List". *www.seecalifornia.com*. Retrieved 2020-12-29.
2. ↑  "California Cities by Incorporation Date". California Association of Local Agency Formation Commissions. Archived from the original (Word) on November 3, 2014. Retrieved August 25, 2014.
3. ↑  "City of San Diego City Charter, Article XV" (PDF). City of San Diego. Retrieved November 5, 2014.
4. ↑  "Office of the City Attorney". The City of San Diego. Retrieved December 14, 2016.
5. ↑  "2019 U.S. Gazetteer Files". United States Census Bureau. Retrieved July 1, 2020.
6. ↑  "City of San Diego". *Geographic Names Information System*. United States Geological Survey. Retrieved October 16, 2014.
7. ↑  "San Diego: Geography and Climate". *city-data.com*. Retrieved October 16, 2014.
8. ↑  "QuickFacts: San Diego city, California". *census.gov*. United States Census Bureau. Retrieved January 22, 2023.
9. ↑  "List of 2020 Census Urban Areas". *census.gov*. United States Census Bureau. Retrieved January 8, 2023.
10. ↑  "2020 Population and Housing State Data". United States Census Bureau. Retrieved 22 August 2021.