San Jose, California is in the Untied States.
Northern California , often abbreviated NorCal , is the northern portion of the U.S. state of California . San Jose, California . Results of the 1990 U.S. Census indicated that San Jose had officially surpassed San Francisco as the most populous city in Northern California . Santa Clara County , California , officially the County of Santa Clara , is a county in the U.S. state of California . The Santa Clara Valley runs south-southeast from the southern end of San Francisco Bay in Northern California in the United States .