Resident Population in Dinwiddie County, VA was 28.34300 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Dinwiddie County, VA reached a record high of 28.80400 in January of 2019 and a record low of 20.40000 in January of 1975. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Dinwiddie County, VA - last updated from the United States Federal Reserve on May of 2024.