|— Township —|
Location in Montgomery County
|- Type||Indiana township|
|- Total||54.23 sq mi (140.46 km2)|
|- Land||53.77 sq mi (139.27 km2)|
|- Water||0.46 sq mi (1.19 km2) 0.85%|
|Elevation||814 ft (248 m)|
|- Density||32.9/sq mi (12.7/km2)|
|ZIP codes||47933, 47954, 47965, 47989|
|GNIS feature ID||0453139|
According to the United States Census Bureau, Brown Township covers an area of 54.23 square miles (140.46 square kilometers); of this, 53.77 square miles (139.27 square kilometers, 99.15 percent) is land and 0.46 square miles (1.19 square kilometers, 0.85 percent) is water.
(This list is based on USGS data and may include former settlements.)
The township contains these eight cemeteries: Indian Creek, Indian Creek Hill, Jones, Lydick, Maple Ridge, Old Hickory, Old Union and Wasson.
|Ripley Township||Union Township|
|Howard Township, Parke County||Scott Township|
|Greene Township, Parke County||Russell Township, Putnam County|