The 2010 United States Census reported that Marin County had a population of 252,409. The racial makeup of Marin County was 201,963 (80.0%) White (U.S. Census), 6,987 (2.8%) African American (U.S. Census), 1,523 (0.6%) Native American (U.S. Census), 13,761 (5.5%) Asian (U.S. Census), 509 (0.2%) Pacific Islander (U.S. Census), 16,973 (6.7%) from Race (United States Census), and 10,693 (4.2%) from two or more races.  Hispanic (U.S. Census) or Latino (U.S. Census) of any race were 39,069 persons (15.5%).
Question: Which was the smallest identified race in the Marin County census?
Answer: Pacific Islander