Income Inequality in Flathead County, MT was 13.08552 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Flathead County, MT reached a record high of 13.18163 in January of 2017 and a record low of 11.18351 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Flathead County, MT - last updated from the United States Federal Reserve on May of 2024.