Sacramento is also the cultural and economic core of the Greater Sacramento area, which at the 2020 census had a population of 2,397,382, the fifth-largest metropolitan area in California. It features the California State Capitol Museum. Sacramento is the seat of the California Legislature and the Governor of California, making it the state's political center and a hub for lobbying and think tanks. Located at the confluence of the Sacramento and American Rivers in Northern California's Sacramento Valley, Sacramento's 2020 population of 524,943 makes it the sixth-largest city in California and the ninth-largest capital in the United States. state of California and the seat and largest city of Sacramento County. Sacramento ( / ˌ s æ k r ə ˈ m ɛ n t oʊ/ SAK-rə- MEN-toh Spanish:, Spanish for ''sacrament'') is the capital city of the U.S.