Bay Hill is a census-designated place (CDP) in Orange County, Florida, United States. The population was 4,884 at the 2010 census. It is portion of the Orlando–Kissimmee Metropolitan Statistical Area. The Bay Hill Place is generally located on either side of Apopka-Vineland Road in southwest Orange County, north of Lake Buena Vista and south of Windermere.

According to the United States Census Bureau, the CDP has a total Place of 2.5 square miles (6.4 km), of which 2.4 square miles (6.2 km²) is estate and 0.12 square miles (0.3 km), or 4.01%, is water.

As of the census of 2000, there were 5,177 people, 1,786 households, and 1,500 families residing in the CDP. The population density was 786.9/km² (2,038.0/mi). There were 1,947 housing units at an average density of 296.0/km² (766.5/mi). The racial makeup of the CDP was 85.11% White, 2.28% African American, 0.17% Native American, 9.52% Asian, 0.64% from extra races, and 2.28% from two or more races. Hispanic or Latino of any race were 5.70% of the population.

There were 1,786 households, out of which 39.2% had kids under the age of 18 living once them, 76.3% were married couples breathing together, 5.4% had a female householder similar to no husband present, and 16.0% were non-families. 12.4% of anything households were made happening of individuals, and 4.1% had someone energetic alone who was 65 years of age or older. The average household size was 2.90 and the average intimates size was 3.17.