Westchester is a census-designated place (CDP) and neighborhood in Miami-Dade County, Florida. Prior to the 2020 U.S. Census, the neighboring University Park CDP was merged into Westchester CDP, effectively doubling its geography and population. Per the 2020 census, the population was 56,384. Geography Westchester is located west of downtown Miami at , with an elevation of . It is bordered to the north by Sweetwater and Fontainebleu, to the east by Coral Terrace, to the south by Olympia Heights and Westwood Lakes, and to the west by Tamiami. The former University Park CDP occupies the west half of the current Westchester CDP. Florida International University is in the northwest portion of the CDP. According to the United States Census Bureau, the Westchester CDP has a total area of , of which , or 1.89%, are water. Demographics 2020 census 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 can be of any race. As of the 2020 United States census, there were 56,384 people, 8,831 households, and 6,980 families residing in the CDP. 2000 census As of the census of 2000, there were 30,271 people, 9,764 households, and 7,947 families residing in the CDP. The population density was . There were 9,938 housing units at an average density of . The racial makeup of the CDP was 93.78% White (13.7% were Non-Hispanic White,) 0.61% African American, 0.04% Native American, 0.51% Asian, 2.81% from other races, and 2.23% from two or more races. Hispanic or Latino of any race were 85.31% of the population. There were 9,764 households, out of which 28.0% had children under the age of 18 living with them, 60.5% were married couples living together, 15.7% had a female householder with no husband present, and 18.6% were non-families. 14.8% of all households were made up of individuals, and 8.6% had someone living alone who was 65 years of age or older. The average household size was 3.07 and the average family size was 3.33. In the CDP, the population was spread out, with 18.7% under the age of 18, 7.2% from 18 to 24, 26.7% from 25 to 44, 24.4% from 45 to 64, and 23.0% who were 65 years of age or older. The median age was 43 years. For every 100 females, there were 87.2 males. For every 100