Newport Beach first appeared as a city in the
1910 United States census. The census reported that 99.4% of the population lived in households, 0.3% lived in non-institutionalized group quarters, and 0.4% were institutionalized. Newport Beach's population was 100.0% urban and 0.0% rural. There were 38,402 households, of which 20.3% had children under 18 living in them. Of all households, 45.2% were married-couple households, 6.0% were
cohabiting couple households, 27.9% had a female householder with no partner present, and 20.9% had a male householder with no partner present. About 32.8% of households were one-person households, and 13.9% had one person aged 65 or older. The average household size was 2.21. There were 21,775
families (56.7% of all households). The age distribution was 16.3% under age 18, 7.4% aged 18 to 24, 23.5% aged 25 to 44, 28.7% aged 45 to 64, and 24.1% aged 65 or older. The median age was 47.4 years. For every 100 females, there were 95.5 males, and for every 100 females age 18 and over, there were 94.1 males age 18 and over.
2010 census The
2010 United States census reported that Newport Beach had a population of 85,186. The population density was . The racial makeup of Newport Beach was 74,357 (87.3%)
White (82.3% Non-Hispanic White), 616 (0.7%)
African American, 223 (0.3%)
Native American, 5,982 (7.0%)
Asian, 114 (0.1%)
Pacific Islander, 1,401 (1.6%) from
other races, and 2,493 (2.9%) from two or more races.
Hispanic or
Latino of any race were 6,174 persons (7.2%). The Census reported that 84,784 people (99.5% of the population) lived in households, 151 (0.2%) lived in non-institutionalized group quarters, and 251 (0.3%) were institutionalized. There were 38,751 households, out of which 8,212 (21.2%) had children under the age of 18 living in them, 17,273 (44.6%) were
opposite-sex married couples living together, 2,608 (6.7%) had a female householder with no husband present, 1,199 (3.1%) had a male householder with no wife present. There were 1,846 (4.8%)
unmarried opposite-sex partnerships, and 233 (0.6%)
same-sex married couples or partnerships. 12,838 households (33.1%) were individuals, and 4,412 (11.4%) had someone living alone who was 65 years or older. The average household size was 2.19. There were 21,080
families (54.4% of all households); the average family size was 2.81. The population was different ages with 14,744 people (17.3%) under the age of 18, 6,659 people (7.8%) aged 18 to 24, 22,299 people (26.2%) aged 25 to 44, 25,322 people (29.7%) aged 45 to 64, and 16,162 people (19.0%) who were 65 years of age or older. The median age was 44.0 years. For every 100 females, there were 97.1 males. For every 100 females aged 18 and over, there were 95.5 males. There were 44,193 housing units at an average density of , of which 21,224 (54.8%) were owner-occupied, and 17,527 (45.2%) were occupied by renters. The homeowner vacancy rate was 1.7%; the rental vacancy rate was 7.8%. 50,511 people (59.3% of the population) lived in owner-occupied housing units, and 34,273 people (40.2%) lived in rental housing units.
2009–2013 estimates In 2009–2013, Newport Beach had a median household income of $106,333, with 7.9% of the population living below the federal poverty line. ==Economy==