 The racial makeup of Mettler was 74 (54.4%) White, 0 (0.0%) African American, 0 (0.0%) Native American, 0 (0.0%) Asian, 0 (0.0%) Pacific Islander, 43 (31.6%) from other races, and 19 (14.0%) from two or more races.Hispanic or Latino of any race were 109 people (80.1%).The whole population lived in households, no one lived in non-institutionalized group quarters and no one was institutionalized.