About Napa County, California
Napa County is located in the northern portion of California, north of San Pablo Bay. It was one of the original counties of California, created in 1850. The county seat is the City of Napa, and as of the 2024 census, the estimated population was 138,635. Napa County is known for its association with the Napa Valley, which is famous for its vineyards and wineries. The county is part of the Napa, CA Metropolitan Statistical Area and the San Jose-San Francisco-Oakland, CA Combined Statistical Area. Napa Valley is home to more than 400 wineries and 90 tasting rooms, and it is known for its world-class wine, beautiful countryside, and near-perfect weather year-round. The City of Napa, as the county seat, is an old city with a colorful past and is now known for its hospitality, fine food, and luxury hotels. It is also home to some of northern California’s finest Victorian homes and visually stimulating contemporary architecture. Napa County’s official website provides information on various services and resources available in the county.