Hanford has a diverse population that is largely comprised of people with white (64.1%), Hispanic (38.7%), and black (5.0%) ethnic compositions. Education According to the 2000 Census, 74.5% of adults over the age of 18 have their high school diplomas, 14.4% hold Bachelors Degrees, 3.9% hold Graduate Degrees, and 24.5% have some college or hold ...