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Tustin population

Tustin, California had an estimated 77,843 residents on July 1, 2025, the 501st-largest city in the US. That is up 3% since the 2010 Census and up 15.3% since 2000.

TustinCaliforniaPop. 77,843
Population, July 2025
77,843-2.6% since April 2020
People per sq mile
6,99811.1 sq mi of land
Median age
37.513.1% are 65 or older
Households with kids
33.2%with anyone under 18

Population by year, 2000 to 2025

57k63k69k75k81k2000: 67,49320002001: 68,9512002: 69,90820022003: 70,8252004: 71,53820042005: 71,9002006: 72,10820062007: 72,4872008: 73,52920082009: 74,6642010: 75,54020102011: 76,1162012: 77,22620122013: 78,0422014: 78,66320142015: 80,0042016: 80,96720162017: 80,9662018: 80,40720182019: 79,9062020: 79,93120202021: 79,1612022: 78,46820222023: 78,1632024: 78,29320242025: 77,8432025
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
202577,843-450Estimate, July 1
202478,293+130Estimate, July 1
202378,163-305Estimate, July 1
202278,468-693Estimate, July 1
202179,161-770Estimate, July 1
202079,931+25April 2020 estimates base
201979,906-501Estimate, July 1
201880,407-559Estimate, July 1
201780,966-1Estimate, July 1
201680,967+963Estimate, July 1
201580,004+1,341Estimate, July 1
201478,663+621Estimate, July 1
201378,042+816Estimate, July 1
201277,226+1,110Estimate, July 1
201176,116+576Estimate, July 1
201075,540+8762010 Census (April 1)
200974,664+1,135Estimate, July 1
200873,529+1,042Estimate, July 1
200772,487+379Estimate, July 1
200672,108+208Estimate, July 1
200571,900+362Estimate, July 1
200471,538+713Estimate, July 1
200370,825+917Estimate, July 1
200269,908+957Estimate, July 1
200168,951+1,458Estimate, July 1
200067,493April 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 Tustin in 2025?

The Census Bureau estimates Tustin had 77,843 residents on July 1, 2025, making it the 501st-largest city in the US.

Is Tustin growing?

Yes. Tustin has grown 3% since the 2010 Census (75,540 people), and shrunk 2.6% since 2020.

What was the population of Tustin in 2000?

About 67,493 (the Census Bureau's April 2000 estimates base). By the 2010 Census it was 75,540.

How dense is Tustin?

Tustin has about 6,998 people per square mile of land (11.1 square miles).

More about Tustin

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