Blackman Charter Township is a charter township of Jackson County in the U.S. state of Michigan. As of the 2010 census, the township population was 24,051.The Michigan State Prison was partly located within the township. Four smaller state institutions currently occupy the former state prison grounds within the township. The township is also the junction of four major highways: Interstate 94, M-50, M-60 and U.S. Route 127. According to the United States Census Bureau, the township has a total area of 31.90 square miles (82.62 km2), of which 31.71 square miles (82.13 km2) is land and 0.19 square miles (0.49 km2) (0.60%) is water.
Blackman Charter Township is in central Jackson County and is bordered to the south by the city of Jackson, the county seat. Ann Arbor is 35 miles (56 km) to the east, and Battle Creek is 40 miles (64 km) to the west, both by Interstate 94. Lansing, the state capital, is 35 miles (56 km) to the north via US-127. It encompasses most of the survey township T2S R1W. The township is drained by the Grand River, which flows from south to north through the township center, and its tributaries. Rod Mills Park is located in Blackman Township and includes hiking trails, baseball diamonds, soccer fields, a playground area, picnic tables and grills.As of the census of 2000, there were 22,800 people, 6,658 households, and 4,187 families residing in the township.
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