Doyle is a census-designated place in Lassen County, California, United States. It is located 40 miles (64 km) southeast of Susanville, at an elevation of 4275 feet. Doyle had a population of 678 at the 2010 census. It is located 45 miles (72 km) northwest of Reno, Nevada. The ZIP Code is 96109. The community is served by area code 530. Its population is 536 as of the 2020 census, down from 678 from the 2010 census.