

82 households (38.3%) were one person and 44 (20.6%) had someone living alone who was 65 or older. There were 13 (6.1%) unmarried opposite-sex partnerships, and 1 (0.5%) same-sex married couples or partnerships. There were 214 households, 40 (18.7%) had children under the age of 18 living in them, 89 (41.6%) were opposite-sex married couples living together, 19 (8.9%) had a female householder with no husband present, 13 (6.1%) had a male householder with no wife present. The whole population lived in households, no one lived in non-institutionalized group quarters and no one was institutionalized. Hispanic or Latino of any race were 30 people (6.3%). The racial makeup of Onyx was 406 (85.5%) White, 4 (0.8%) African American, 9 (1.9%) Native American, 0 (0.0%) Asian, 0 (0.0%) Pacific Islander, 16 (3.4%) from other races, and 40 (8.4%) from two or more races. The population density was 41.2 inhabitants per square mile (15.9/km 2).

Demographics 2010 Īt the 2010 census Onyx had a population of 475. The first post office at Onyx opened in 1889.

The place was originally called Scodie in honor of William Scodie, who opened a store in 1861. Īccording to the United States Census Bureau, the CDP has a total area of 11.5 square miles (30 km 2), over 99% of it land. The population was 475 at the 2010 census, down from 476 at the 2000 census. Onyx is located 3.5 miles (6 km) east-northeast of Weldon in the South Fork Valley at an elevation of 2,795 feet (852 m). Onyx (formerly, Scodie) is a census-designated place (CDP) in Kern County, California, United States.
