Resident Population in Gunnison County, CO was 17.32100 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Gunnison County, CO reached a record high of 17.48000 in January of 2019 and a record low of 7.57800 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Gunnison County, CO - last updated from the United States Federal Reserve on May of 2024.