BlackRock Municipal Income Trust operates as a diversified, closed-end management investment company in the United States. It primarily invests in companies, which operates in various industries, including industrial and pollution control, hospital, tobacco, housing, transportation, education, water and sewer, and power. BlackRock Advisors, Inc. serves as the investment advisor of the trust. BlackRock Municipal Income Trust was founded in 2001 and is based in Wilmington, Delaware.