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San Diego population

San Diego, California had an estimated 1,406,106 residents on July 1, 2025, the 8th-largest city in the US. That is up 7.5% since the 2010 Census and up 15% since 2000.

San DiegoCaliforniaPop. 1,406,106
Population, July 2025
1,406,106+1.6% since April 2020
People per sq mile
4,312326.1 sq mi of land
Median age
36.214.6% are 65 or older
Households with kids
26.1%with anyone under 18

Population by year, 2000 to 2025

1.00M1.11M1.21M1.32M1.42M2000: 1,222,92020002001: 1,242,2302002: 1,251,80820022003: 1,254,6032004: 1,256,96920042005: 1,257,2782006: 1,257,62520062007: 1,266,1982008: 1,282,69220082009: 1,295,5912010: 1,307,40220102011: 1,319,1892012: 1,335,15520122013: 1,352,9972014: 1,372,02420142015: 1,387,5672016: 1,400,13020162017: 1,409,9822018: 1,420,07020182019: 1,420,2002020: 1,384,48120202021: 1,371,2442022: 1,383,84720222023: 1,388,7472024: 1,400,23220242025: 1,406,1062025
Darker bars are the April 2000, 2010 and 2020 benchmarks; the rest are July 1 estimates. Source: US Census Bureau population estimates (intercensal 2000-2010, Vintage 2020 and Vintage 2025).
YearPopulationChangeBasis
20251,406,106+5,874Estimate, July 1
20241,400,232+11,485Estimate, July 1
20231,388,747+4,900Estimate, July 1
20221,383,847+12,603Estimate, July 1
20211,371,244-13,237Estimate, July 1
20201,384,481-35,719April 2020 estimates base
20191,420,200+130Estimate, July 1
20181,420,070+10,088Estimate, July 1
20171,409,982+9,852Estimate, July 1
20161,400,130+12,563Estimate, July 1
20151,387,567+15,543Estimate, July 1
20141,372,024+19,027Estimate, July 1
20131,352,997+17,842Estimate, July 1
20121,335,155+15,966Estimate, July 1
20111,319,189+11,787Estimate, July 1
20101,307,402+11,8112010 Census (April 1)
20091,295,591+12,899Estimate, July 1
20081,282,692+16,494Estimate, July 1
20071,266,198+8,573Estimate, July 1
20061,257,625+347Estimate, July 1
20051,257,278+309Estimate, July 1
20041,256,969+2,366Estimate, July 1
20031,254,603+2,795Estimate, July 1
20021,251,808+9,578Estimate, July 1
20011,242,230+19,310Estimate, July 1
20001,222,920April 2000 estimates base

Year-to-year changes across 2010 and 2020 mix census counts with estimates, so small jumps at those years are partly method changes.

Frequently asked questions

What is the population of San Diego in 2025?

The Census Bureau estimates San Diego had 1,406,106 residents on July 1, 2025, making it the 8th-largest city in the US.

Is San Diego growing?

Yes. San Diego has grown 7.5% since the 2010 Census (1,307,402 people), and grown 1.6% since 2020.

What was the population of San Diego in 2000?

About 1,222,920 (the Census Bureau's April 2000 estimates base). By the 2010 Census it was 1,307,402.

How dense is San Diego?

San Diego has about 4,312 people per square mile of land (326.1 square miles).

More about San Diego

See cost of living, jobs and commutes in San Diego, San Diego weather by month, or every San Diego ZIP code. For the biggest cities in the country, see the largest US cities.