Resident Population in Runnels County, TX was 9.86800 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Runnels County, TX reached a record high of 12.74900 in January of 1984 and a record low of 9.85900 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Runnels County, TX - last updated from the United States Federal Reserve on May of 2024.