Buena Park was first listed as an unincorporated community in the
1950 U.S. census as part of unincorporated Anaheim Township; The median age was 37.9years; 21.5% of residents were under the age of 18, 9.7% were aged 18 to 24, 28.2% were aged 25 to 44, 26.5% were aged 45 to 64, and 14.1% were 65 years of age or older. For every 100 females there were 95.9 males, and for every 100 females age 18 and over there were 93.0 males age 18 and over. There were 25,628 housing units, of which 1.8% were vacant; the homeowner vacancy rate was 0.3% and the rental vacancy rate was 1.7%. Of the 25,155 occupied units, 54.4% were owner-occupied, and 45.6% were occupied by renters.
2010 census The
2010 United States census reported that Buena Park had a population of 80,530. The population density was . The racial makeup of Buena Park was 36,454 (45.3%)
White (27.7% Non-Hispanic White), 3,073 (3.8%)
African American, 862 (1.1%)
Native American, 21,488 (26.7%)
Asian, 455 (0.6%)
Pacific Islander, 14,066 (17.5%) from
other races, and 4,132 (5.1%) from two or more races.
Hispanic or
Latino of any race were 31,638 persons (39.3%). The Census reported that 79,716 people (99.0% of the population) lived in households, 553 (0.7%) lived in non-institutionalized group quarters, and 261 (0.3%) were institutionalized. There were 23,686 households, out of which 10,367 (43.8%) had children under the age of 18 living in them, 13,570 (57.3%) were
opposite-sex married couples living together, 3,789 (16.0%) had a female householder with no husband present, 1,746 (7.4%) had a male householder with no wife present. There were 1,167 (4.9%)
unmarried opposite-sex partnerships, and 166 (0.7%)
same-sex married couples or partnerships. 3,398 households (14.3%) were made up of individuals, and 1,386 (5.9%) had someone living alone who was 65 years of age or older. The average household size was 3.37. There were 19,105
families (80.7% of all households); the average family size was 3.67. The population was spread out, with 20,361 people (25.3%) under the age of 18, 8,610 people (10.7%) aged 18 to 24, 22,688 people (28.2%) aged 25 to 44, 20,320 people (25.2%) aged 45 to 64, and 8,551 people (10.6%) who were 65 years of age or older. The median age was 35.1 years. For every 100 females, there were 97.4 males. For every 100 females age 18 and over, there were 94.5 males. There were 24,623 housing units at an average density of , of which 13,428 (56.7%) were owner-occupied, and 10,258 (43.3%) were occupied by renters. The homeowner vacancy rate was 1.1%; the rental vacancy rate was 5.0%. 45,084 people (56.0% of the population) lived in owner-occupied housing units and 34,632 people (43.0%) lived in rental housing units. According to the 2010 United States census, Buena Park had a median household income of $64,205, with 11.1% of the population living below the federal poverty line. ==Economy==