Income Inequality in Penobscot County, ME was 14.06377 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Penobscot County, ME reached a record high of 14.11820 in January of 2018 and a record low of 12.12227 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Penobscot County, ME - last updated from the United States Federal Reserve on May of 2024.