Congressional District 4, located in California, encompasses a diverse region that includes scenic areas such as the Sierra Nevada and the vibrant Central Valley. Represented by , this district boasts a population of approximately 700,000 residents, making it a dynamic part of the state. Established during the 1990 congressional redistricting, it has a rich history and is known for its stunning landscapes and outdoor recreational activities, including hiking, fishing, and wine tasting in renowned regions like Napa Valley and Lake Tahoe.

What makes District 4 unique is its blend of urban and rural lifestyles, where constituents grapple with issues ranging from agricultural policy to environmental conservation. The district's economy is bolstered by agriculture, tourism, and hospitality, reflecting the rich cultural heritage of Northern California. Noteworthy landmarks include the historic Gold Country towns that celebrate the region's Gold Rush legacy. Overall, Congressional District 4 represents a harmonious blend of natural beauty, historical significance, and community spirit.