Unemployment Rate in Collin County, TX was 4.20% in January of 2026, according to the United States Federal Reserve. Historically, Unemployment Rate in Collin County, TX reached a record high of 11.50 in April of 2020 and a record low of 1.70 in December of 1998. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Collin County, TX - last updated from the United States Federal Reserve on May of 2026.