Manut Biro Sénsus Amérika Serikat, county niki ngelah jimbar total 948 sq mi (2,460 km2), ring dija 791 sq mi (2,050 km2) marupa daratan lan 157 sq mi (410 km2) (16.6%) marupa patoyan.[6]
Wacénan lantur
Gustavo Arellano, Orange County: A Personal History. New York: Scribner, 2008.
Mike Heywood, A History of Orange County: Twelve Decades of Extraordinary Change, 1889 to 2010. n.c.: Aardvark Global Publishing, 2010.
Doris I. Walker. Orange County Then and Now (Then & Now). Thunder Bay Press, 2006.[7]
Philippe Jorion and Robert Roper, Big Bets Gone Bad: Derivatives and Bankruptcy in Orange County. San Diego: Academic Press, 1995.
Rob Kling, Spencer C Olin, and Mark Poster, Postsuburban California: The Transformation of Orange County since World War II. Berkeley, CA: University of California Press, 1991.
Orange County Historical Society, Orange County. Charleston, SC: Arcadia, 2005.
↑"2010 Census Gazetteer Files". United States Census Bureau. 22 Agustus 2012. Kaarsipin saking versi asli tanggal 25 Séptémber 2015. Kaaksés 28 Séptémber 2015.