Resident Population in El Paso County, TX was 875.78400 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in El Paso County, TX reached a record high of 875.78400 in January of 2024 and a record low of 359.29100 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in El Paso County, TX - last updated from the United States Federal Reserve on April of 2026.