Villa Park is a city in Orange County, California, United States. It was incorporated in 1962. As of the 2010 Census, the city had a population of 5,812, the lowest population for a city in Orange County.The city is largely zoned for single-family residences on lots that average about 20000sqft, or 1/2 acre, in size. Within the city limits there is one small shopping center. City Hall, including a community room, and a branch of the Orange County Public Libraries system is adjacent to the city's only shopping center.HistoryAfter the 1769 expedition of Gaspar de Portolà, a Spanish expedition led by Father Junipero Serra named the area Vallejo de Santa Ana (Valley of Saint Anne). On November 1, 1776, Mission San Juan Capistrano became the areas first permanent European settlement in Alta California, New Spain. In 1810, the Spanish Empire granted 62500acre to Jose Antonio Yorba, which he named Rancho Santiago de Santa Ana. Yorba's rancho included the lands where the cities of Olive, Orange, Villa Park, Santa Ana, Tustin, Costa Mesa and Newport Beach stand today.