The 2010 United States Census reported that The Sea Ranch had a population of 1,305. The population density was . The racial makeup of The Sea Ranch was 1,220 (93.5%) White, 15 (1.1%) African American, 3 (0.2%) Native American, 10 (0.8%) Asian, 0 (0.0%) Pacific Islander, 37 (2.8%) from other races, and 20 (1.5%) from two or more races. Hispanic or Latino of any race were 117 persons (9.0%).
