Presently known as Red Hill, it was previously called the Katuktu hill by the indigenous while the Spanish also came up with the name "Cerrito de las ranas" which translates to little hill of frogs due to the quantity of frogs inhabiting the area.[5]
After theMexican–American War,Alta California became part of the United States and American settlers arrived in this area. Columbus Tustin, a carriage maker from Northern California, founded the city in 1868 on 1,300 acres (5.3 km2) of land from the formerRancho Santiago de Santa Ana. The city was incorporated in 1927 with a population of about 900. The townsite was bordered by Camino Real on the south, Newport Avenue on the east, 1st Street on the north, and Route 43, now known as theCosta Mesa Freeway, on the west.
Suburban growth after the war resulted in increased population, annexation of nearby unincorporated land, including the formerMarine Corps Air Station, and development of orchards and farmland into housing tracts and shopping centers.
In 1996, two white supremacists,Gunner Lindberg and Domenic M. Christopher, stabbed a 24-year-old Vietnamese American to death on the Tustin High School tennis courts.[7][8] In 2008, Lindberg became the first person in Orange County to be sentenced to death for a hate crime.[7][8]
The city is sometimes referred to as "The City of Trees".[9]Sycamores andoaks, native to the area, grew in abundance at the time of the founding of the city, and city founder Columbus Tustin was responsible for planting many more along the streets of the city.[10]
Tustin city, California – Racial and ethnic composition Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
The census reported that 99.4% of the population lived in households, 0.4% lived in non-institutionalized group quarters, and 0.1% were institutionalized.[34]
There were 27,266 households, out of which 37.0% included children under the age of 18, 50.1% were married-couple households, 7.1% werecohabiting couple households, 26.3% had a female householder with no partner present, and 16.5% had a male householder with no partner present. 20.0% of households were one person, and 7.0% were one person aged 65 or older. The average household size was 2.93.[34] There were 19,611families (71.9% of all households).[35]
The age distribution was 23.0% under the age of 18, 9.5% aged 18 to 24, 30.1% aged 25 to 44, 25.6% aged 45 to 64, and 11.8% who were 65years of age or older. The median age was 36.3years. For every 100 females, there were 94.5 males.[34]
There were 28,223 housing units at an average density of 2,528.7 units per square mile (976.3 units/km2), of which 27,266 (96.6%) were occupied. Of these, 47.6% were owner-occupied, and 52.4% were occupied by renters.[34]
In 2023, the US Census Bureau estimated that the median household income was $108,435, and theper capita income was $50,723. About 8.3% of families and 10.4% of the population were below the poverty line.[36]
Tustin City, The Market Place signMain Street Tustin bust of Founder
The 2020 United States census reported that Tustin had a population of 79,430. The population density was 6,816.7 per square mile (2,631.9/km2). The racial makeup was 39,729 (52.6%) White (34.8% Non-Hispanic White),[37] 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%) wereopposite-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%)unmarried opposite-sex partnerships and 193 (0.8%)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 2,389.2 per square mile (922.5/km2). 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 amedian household income of $74,011, with 12.2% of the population living below the federal poverty line.[37]
The Tustin City Council is composed of five members elected at large; the mayorship rotates among the council members and is primarily a ceremonial role.
Mayor Austin Lumbard was elected to the Tustin City Council in 2022. As of 2025, John Nielsen, Ryan Gallagher, Ray Schnell, and Lee K. Fink are also on the City Council.[3]
Local politics in the late 1990s and early 2000s were dominated by the 1997 closure of the localMarine Corps Air Station and plans for the subsequent commercial development of the land, including an unsuccessful bid by neighboringSanta Ana to build a school on the land, part of which is within Santa Ana Unified School District's territory.
Water in Tustin is supplied by the City of Tustin Water Services, which sources its water from theMetropolitan Water District of Southern California via the Municipal Water District of Orange County. This water is imported from Northern California and the Colorado River. In addition, groundwater is managed by the Orange County Water District, sourced from underground aquifers.[59]
^"Fire Departments". County of Orange.Archived from the original on June 18, 2025. RetrievedNovember 3, 2025.The OCFA provides fire services for the following cities: Aliso Viejo, Buena Park, Cypress, Dana Point, Irvine, Laguna Hills, Laguna Woods, Laguna Niguel, Lake Forest, La Palma, Los Alamitos, Mission Viejo, Placentia, Rancho Santa Margarita, San Clemente, San Juan Capistrano, Santa Ana, Seal Beach, Stanton, Tustin, Villa Park, Westminster, Yorba Linda and the unincorporated areas of Orange County.
^Chapman, Valerie (October 31, 2005)."Y grad Young and Restless star".The Daily Universe. Brigham Young University.Archived from the original on July 9, 2013.Kimsey grew up in Tustin, Calif.