2000 Youth Way, Fullerton, CA 92835
Fullerton ( FUUL-ər-tən) is a city located in northern Orange County, California, United States. As of the 2020 census, the city had a total population of 143,617.Fullerton was founded in 1887. It secured the land on behalf of the Atchison, Topeka and Santa Fe Railway. Historically it was a center of agriculture, notably groves of Valencia oranges and other citrus crops; petroleum extraction; transportation; and manufacturing. It is home to numerous higher educational institutions, particularly California State University, Fullerton and Fullerton College.