Whitmore is an unincorporated community and census-designated place in Shasta County, California. Its population is 311 as of the 2020 census. Its zip code is 96096, and wired telephone numbers follow the pattern 530-472-xxxx, which is shared by the neighboring communities of Oak Run and Ingot. There is one store and gas station, as well as a consignment/antique shop known as The Way Station. The store is next to the Whitmore post office.