Pearsonville is a census-designated place in Inyo County, California, United States, along U.S. Route 395. The population was 8 at the 2020 census, down from 17 at the 2010 census. Located in the northern end of the Indian Wells Valley, Pearsonville is located on the line between Kern County and Inyo county, 17.25 miles northwest from the nearest inco…Pearsonville is a census-designated place in Inyo County, California, United States, along U.S. Route 395. The population was 8 at the 2020 census, down from 17 at the 2010 census. Located in the northern end of the Indian Wells Valley, Pearsonville is located on the line between Kern County and Inyo county, 17.25 miles northwest from the nearest incorporated community, Ridgecrest. The unincorporated community is located just south of Nine Mile Canyon Road. U.S. Route 395 traverses through Pearsonville, and the truncated section of the highway locally known as Sterling Road passes through the community and ends at Nine Mile Canyon Road.