Hood is a census-designated place in Sacramento County, California, United States. Hood is located on the Sacramento River and California State Route 160 15 miles south of downtown Sacramento. Hood has a post office with ZIP code 95639, which was established in 1912. The community was named in 1910 after William Hood, chief engineer of the Southern Pacific Railroad. The population was 271 at the 2010 census.According to the United States Census Bureau, the CDP covers an area of 0.3 square miles, all of it land.The 2010 United States Census reported that Hood had a population of 271. The population density was 859.9 people per square mile. The racial makeup of Hood was 135 White, 0 African American, 15 Native American, 15 Asian, 1 Pacific Islander, 70 from other races, and 35 from two or more races. Hispanic or Latino American of any race were 137 persons.