Editing Tustin, California (section)

===2010===
[[File:Tustin City, The Market Place sign.jpg|thumb|upright|Tustin City, The Market Place sign]]
[[File:Main Street Tustin bust of Founder.jpg|thumb|upright|Main Street Tustin bust of Founder]]

The 2020 United States census reported that Tustin had a population of 79,430. The population density was {{convert|6,816.7|/sqmi}}. The racial makeup was 39,729 (52.6%) White (34.8% Non-Hispanic White),<ref name="quickfacts.census.gov">{{cite web |url=http://quickfacts.census.gov/qfd/states/06/0680854.html |title=State & County QuickFacts: Tustin (city), California |publisher=[[United States Census Bureau]] |date=March 31, 2015 |url-status=dead |archive-url=https://web.archive.org/web/20150402093042/http://quickfacts.census.gov/qfd/states/06/0680854.html |archive-date=April 2, 2015 |access-date=January 29, 2019}}</ref> 1,722 (2.3%) African American, 442 (0.6%) Native American, 15,299 (20.3%) Asian, 268 (0.4%) Pacific Islander, 14,499 (19.2%) from other races, and 3,581 (4.7%) from two or more races. There were 30,024 people of Hispanic or Latino origin, of any race (39.7%).

The census reported that 75,020 people (99.3% of the population) lived in households, 340 (0.5%) lived in non-institutionalized group quarters and 180 (0.2%) were institutionalized.

There were 25,203 households, of which 10,465 (41.5%) had children under the age of 18 living in them, 12,969 (51.5%) were [[marriage|opposite-sex married couples]] living together, 3,494 (13.9%) had a female householder with no husband present, 1,472 (5.8%) had a male householder with no wife present. There were 1,568 (6.2%) [[POSSLQ|unmarried opposite-sex partnerships]] and 193 (0.8%) [[same-sex partnerships|same-sex married couples or partnerships]]. 5,178 households (20.5%) were one person and 1,403 (5.6%) had someone living alone who was 65 or older. The average household size was 2.98. There were 17,935 families (71.2% of households) and the average family size was 3.46.

The age distribution was 20,212 people (26.8%) under the age of 18, 6,856 (9.1%) aged 18 to 24, 25,033 (33.1%) aged 25 to 44, 17,006 (22.5%) aged 45 to 64, and 6,433 (8.5%) who were 65 or older. The median age was 33.4 years. For every 100 females, there were 94.7 males. For every 100 females age 18 and over, there were 91.6 males.

There were 26,476 housing units at an average density of {{convert|2,389.2|/sqmi}}. Of the occupied units, 12,813 (50.8%) were owner-occupied and 12,390 (49.2%) were rented. The homeowner vacancy rate was 1.3%; the rental vacancy rate was 5.8%. 36,783 people (48.7% of the population) lived in owner-occupied housing units and 38,237 people (50.6%) lived in rental housing units.

According to the 2010 census, Tustin had a [[median household income]] of $74,011, with 12.2% of the population living below the federal poverty line.<ref name="quickfacts.census.gov"/>