Income Inequality in Boulder County, CO was 19.19114 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Boulder County, CO reached a record high of 19.19114 in January of 2022 and a record low of 16.69438 in January of 2012. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Boulder County, CO - last updated from the United States Federal Reserve on May of 2024.