Resident Population in Newport County, RI was 83.83200 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Newport County, RI reached a record high of 98.70000 in January of 1973 and a record low of 79.60000 in January of 1975. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Newport County, RI - last updated from the United States Federal Reserve on May of 2024.