Pasadena is a city in Los Angeles County, California, United States. As of the 2000 census, the city population was 133,936 and the 160th largest city in the United States. The California Finance Department estimates the Pasadena population to be 146,166 in 2005. Pasadena is the main population and cultural center of the San Gabriel Valley. It is the 6th largest city in Los Angeles County and famous for hosting the annual Rose Bowl football game and Tournament of Roses Parade. Pasadena apartments for rent comparison page shows most up to date rent information on Pasadena apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.