California's 21st congressional district is located in the central part of the state, primarily covering areas in the San Joaquin Valley. It includes cities such as Bakersfield, Delano, and Tulare. The district is known for its agricultural production, contributing significantly to California's economy. The district has a diverse population, with a mix of urban and rural communities. It has been represented by Republican and Democratic lawmakers over the years, reflecting the changing political landscape. The district's demographics include a significant number of Hispanic residents, influencing local policies and representation.