Resident Population in Parmer County, TX was 9.61700 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Parmer County, TX reached a record high of 11.20000 in January of 1972 and a record low of 9.20400 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Parmer County, TX - last updated from the United States Federal Reserve on May of 2024.