Resident Population in Providence County, RI was 660.61500 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Providence County, RI reached a record high of 660.61500 in January of 2023 and a record low of 571.34900 in January of 1980. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Providence County, RI - last updated from the United States Federal Reserve on May of 2024.