Resident Population in Venango County, PA was 49.47600 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Venango County, PA reached a record high of 65.70000 in January of 1977 and a record low of 49.43600 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Venango County, PA - last updated from the United States Federal Reserve on April of 2026.