Jefferson Township is one of twenty townships in Allen County, Indiana, United States.

[3] The Craigville Depot, New York Chicago and St. Louis Railroad Steam Locomotive No.

[4] According to the United States Census Bureau, Jefferson Township covers an area of 36.52 square miles (94.59 km2); of this, 36.51 square miles (94.56 km2) is land and 0.012 square miles (0.03 km2), or 0.03 percent, is water.

[2] (This list is based on USGS data and may include former settlements.)

Four Presidents Corners, a monument, was built in 1917 where Jefferson Township meets with Monroe, Madison, and Jackson townships.