Income Inequality in Phillips County, MT was 9.27586 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Phillips County, MT reached a record high of 13.26589 in January of 2010 and a record low of 9.27586 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Phillips County, MT - last updated from the United States Federal Reserve on May of 2024.