Glendale is a city in Los Angeles County, California, United States. According to Mapping L.A. by the Los Angeles Times, the median household income in Glendale is $57,112 (2008 dollars), which is considered about average for the County of Los Angeles. It lies at the eastern end of the San Fernando Valley, is bisected by the Verdugo Mountains, and is a suburb in the Greater Los Angeles Area. The city is bordered to the northwest by the Sun Valley and Tujunga neighborhoods of Los Angeles; to the northeast by La Cañada Flintridge and the unincorporated area of La Crescenta; to the west by Burbank and Griffith Park; to the east by Eagle Rock and Pasadena; to the south by the Atwater Village neighborhood of Los Angeles; and to the southeast by Glassell Park neighborhood of Los Angeles. The Golden State, Ventura, Glendale, and Foothill freeways run through the city. The city is policed by the Glendale Police Department.

As of the 2000 census, the city population was 194,973. Since then, there have been estimates of 201,326 by the U.S. Census Bureau in 2004, 207,007 by the California State government in 2005, and 207,303 as listed by the California Department of Finance in 2009, making it the third largest city in Los Angeles County and the seventeenth largest city in the state of California. It is also the largest city in the United States that shares its name with a larger American city (Glendale, Arizona has population 246,000).