 The 2010 United States Census reported that Lamont had a population of 15,120.The population density was 3,268.6 people per square mile (1,262.0/km²).The racial makeup of Lamont was 6,677 (44.2%) White, 130 (0.9%) African American 230 (1.5%) Native American, 72 (0.5%) Asian, 9 (0.1%) Pacific Islander, 7,351 (48.6%) from other races, and 651 (4.3%) from two or more races.