As part of the 2000 Census, 1.7% of Prospect Park's residents identified themselves as being of Albanian ancestry. This was the 11th-highest percentage of Albanian American people in any place in the United States with 1,000 or more residents identifying their ancestry. In the same census, 3.2% of Prospect Park's residents identified themselves as being of Arab American ancestry. This was the sixth-highest percentage of Arab American people in any place in the United States with 1,000 or more residents identifying their ancestry.