Resident Population in Mitchell County, TX was 9.07500 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Mitchell County, TX reached a record high of 9.84200 in January of 1998 and a record low of 7.75000 in January of 1992. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Mitchell County, TX - last updated from the United States Federal Reserve on May of 2024.