You should note that in addition to the seven casinos, there are ten card rooms within a 20 mile radius of downtown. The Sky River Casino is the closest casino to downtown Sacramento. There are 41 casinos in Northern California, meaning the Sacramento area is home to 14% of NorCal’s casinos. California’s capitol city is a mecca of sorts for gambling, as there are seven casinos within easy driving distance of Sacramento, including a new one just 18 miles south of downtown.