Cypress first appeared as a city in the
1960 U.S. census as part of the Buena Park-Cypress census county division.
2020 census As of the
2020 census, Cypress had a population of 50,151. The median age was 41.5 years. 21.4% of residents were under the age of 18 and 16.7% of residents were 65 years of age or older. For every 100 females there were 92.1 males, and for every 100 females age 18 and over there were 90.1 males age 18 and over. 100.0% of residents lived in urban areas, while 0.0% lived in rural areas. There were 16,490 households in Cypress, of which 37.4% had children under the age of 18 living in them. Of all households, 60.4% were married-couple households, 11.7% were households with a male householder and no spouse or partner present, and 23.8% were households with a female householder and no spouse or partner present. About 15.2% of all households were made up of individuals and 8.1% had someone living alone who was 65 years of age or older. 1,444 (3.0%) African American, 289 (0.6%) Native American, 14,978 (31.3%) Asian, 234 (0.5%) Pacific Islander, 2,497 (5.2%) from other races, and 2,360 (4.9%) from two or more races. Hispanic or Latino of any race were 8,779 persons (18.4%). The census reported that 47,300 people (98.9% of the population) lived in households, 502 (1.1%) lived in non-institutionalized group quarters, and no one was institutionalized. There were 15,654 households, 6,481 (41.4%) had children under the age of 18 living in them, 9,602 (61.3%) were
opposite-sex married couples living together, 2,203 (14.1%) had a female householder with no husband present, 833 (5.3%) had a male householder with no wife present. There were 506 (3.2%)
unmarried opposite-sex partnerships, and 86 (0.5%)
same-sex married couples or partnerships. 2,401 households (15.3%) were one person and 1,005 (6.4%) had someone living alone who was 65 or older. The average household size was 3.02. There were 12,638 families (80.7% of households); the average family size was 3.35. The age distribution was 11,343 people (23.7%) under the age of 18, 4,700 people (9.8%) aged 18 to 24, 11,685 people (24.4%) aged 25 to 44, 13,913 people (29.1%) aged 45 to 64, and 6,161 people (12.9%) who were 65 or older. The median age was 39.9 years. For every 100 females, there were 94.2 males. For every 100 females age 18 and over, there were 90.3 males. There were 16,068 housing units at an average density of 2,438.1 per square mile, of the occupied units 10,960 (70.0%) were owner-occupied and 4,694 (30.0%) were rented. The homeowner vacancy rate was 0.9%; the rental vacancy rate was 3.5%. 32,780 people (68.6% of the population) lived in owner-occupied housing units and 14,520 people (30.4%) lived in rental housing units. According to the 2010 United States Census, Cypress had a median household income of $80,440, with 6.7% of the population living below the federal poverty line.
2000 census At the
2000 census there were 46,229 people in 15,654 households, including 12,241 families, in the city. The population density was . There were 16,028 housing units at an average density of . The
racial makeup of the city was 65.61% White, 20.81% Asian, 0.40% Pacific Islander, 2.77% Black or African American, 0.59% Native American, 5.44% from other races, and 4.38% from two or more races. 15.65% of the population were
Hispanic or Latino. Of the 15,654 households 38.8% had children under the age of 18 living with them, 60.0% were married couples living together, 13.3% had a female householder with no husband present, and 21.8% were non-families. 17.6% of households were one person and 6.6% were one person aged 65 or older. The average household size was 2.93 and the average family size was 3.31. The age distribution was 27.0% under the age of 18, 7.9% from 18 to 24, 30.2% from 25 to 44, 24.4% from 45 to 64, and 10.6% 65 or older. The median age was 37 years. For every 100 females, there were 94.9 males. For every 100 females age 18 and over, there were 90.5 males. The median household income was $64,377 and the median family income was $70,060 (these figures had risen to $80,331 and $86,286 respectively as of a 2007 estimate). Males had a median income of $50,781 versus $36,337 for females. The per capita income for the city was $25,798. About 4.6% of families and 6.0% of the population were below the
poverty line, including 7.2% of those under age 18 and 5.1% of those age 65 or over. ==Economy==