The 2010 United States Census reported that 22,723 people, 10,821 households, and 5,791 families resided in the city. The population density was 2,313.8 people per square mile (893.4/km²). There were 12,923 housing units at an average density of 1,315.9 per square mile (508.1/km²). The racial makeup of Laguna Beach was 90.9% White (85.7% Non-Hispanic White), 0.8% African American, 0.3% Native American, 3.6% Asian, 0.1% Pacific Islander, 1.5% from other races, and 2.9% from two or more races. 7.3% of the population was Hispanic or Latino of any race.
The Census reported that 99.6% of the population lived in households and 0.4% lived in non-institutionalized group quarters. There were 10,821 households out of which 20.1% had children under the age of 18 living in them, 43.6% were opposite-sex married couples living together, 6.3% had a female householder with no husband present, and 3.6% had a male householder with no wife present. 5.2% of households were unmarried opposite-sex partnerships and 2.8% were same-sex married couples or partnerships. 35.2% of households were made up of individuals and 10.4% had someone living alone who was 65 years of age or older. The average household size was 2.09. The average family size was 2.72.
The population was spread out with 16.1% under the age of 18, 4.8% aged 18 to 24, 23.4% aged 25 to 44, 37.4% aged 45 to 64, and 18.3% who were 65 years of age or older. The median age was 48.3 years. For every 100 females there were 100.6 males. For every 100 females age 18 and over, there were 99.8 males.
There were 12,923 housing units of which 60.0% were owner-occupied and 40.0% were occupied by renters. The homeowner vacancy rate was 1.7%; the rental vacancy rate was 7.7%. 64.6% of the population lived in owner-occupied housing units and 35.0% lived in rental housing units.
During 2009–2013, Laguna Beach had a median household income of $94,325, with 6.3% of the population living below the federal poverty line.