Diamond Bar is a city located in Los Angeles County, California. It is known for its suburban atmosphere, with a population of around 55,000 residents. The city features a mix of residential neighborhoods, parks, and shopping areas, making it a desirable place to live for families and professionals alike. Founded in the 1980s, Diamond Bar is characterized by its rolling hills and scenic views. The city is also home to several schools, including those in the Walnut Valley Unified School District, which are recognized for their academic excellence. Outdoor enthusiasts can enjoy various recreational activities in the local parks and trails.