 The population density was 43.9 people per square mile (17.0/km²).The racial makeup of McKittrick was 101 (87.8%) White, 1 (0.9%) African American, 1 (0.9%) Native American, 0 (0.0%) Asian, 0 (0.0%) Pacific Islander, 7 (6.1%) from other races, and 5 (4.3%) from two or more races.Hispanic or Latino of any race were 9 people (7.8%).