 At the 2010 census Lake Isabella had a population of 3,466.The population density was 156.6 people per square mile (60.4/km²).The racial makeup of Lake Isabella was 3,069 (88.5%) White, 6 (0.2%) African American, 96 (2.8%) Native American, 18 (0.5%) Asian, 7 (0.2%) Pacific Islander, 73 (2.1%) from other races, and 197 (5.7%) from two or more races.