Winterpock is an unincorporated community in western Chesterfield County, Virginia, United States. Winterpock does not have its own post office. The Clover Hill Pits were coal mines from 1837 to 1883. Many of the miners lived in this town. Winterpock was named after the old name of the plantation, named after Winterpock Creek, possibly named by Native …Winterpock is an unincorporated community in western Chesterfield County, Virginia, United States. Winterpock does not have its own post office. The Clover Hill Pits were coal mines from 1837 to 1883. Many of the miners lived in this town. Winterpock was named after the old name of the plantation, named after Winterpock Creek, possibly named by Native Americans as "Win-to-poa-ke". Winterpock was the chief mining town. Winterpock, had over 1000 residents in 1870, but as mining dwindled the community of miners became smaller.