Located in the far southwest of the United States state of California, is San Diego County. The area borders with Mexico and its population is about the sixth largest in the US. An estimated 3 million people reside within San Diego’s borders and there’s many chiropractors on hand to serve the population. San Diego County features four major interstates (Interstate 5, Interstate 8, Interstate 15, and interstate 805) which allow commuters to travel both North and South as well as East and West (along Interstate 8).