Income Inequality in Collin County, TX was 11.98812 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Collin County, TX reached a record high of 11.98812 in January of 2022 and a record low of 10.94803 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Collin County, TX - last updated from the United States Federal Reserve on May of 2024.