The Poplar Bluff Micropolitan Statistical Area consists of all of Butler County. The city is at the crossroads of U.S. Highway 60 and U.S. Highway 67. Poplar Bluff takes its name from a bluff that overlooks Black River. When first settled, the bluff was covered with poplar trees. The Butler County Courthouse and the offices of the Daily American Republic newspaper sit on this site. Poplar Bluff lies along an escarpment separating the Ozark Foothills from the Mississippi embayment in Southeast Missouri. The foothills lie to the north and west and the embayment is to the south and east. The surrounding area is commonly known as the "Three Rivers" with many local organizations and businesses using the name. The three riversCurrent River, Black River, and St. Francis Riverare 40 miles apart with Poplar Bluff conveniently located in the center on the Black River.