Briar Creek is a borough in Columbia County, Pennsylvania. It is allowance of Northeastern Pennsylvania. The population was 597 at the 2020 census. It is allowance of the Bloomsburg–Berwick Micropolitan Statistical Area.

Briar Creek is located in eastern Columbia County at 41°3′10″N 76°16′42″W / 41.05278°N 76.27833°W / 41.05278; -76.27833 (41.052639, -76.278369), on the north side of the Susquehanna River. It is bordered to the east by Berwick, to the north by Briar Creek Township, to the west by South Centre Township, and to the south, across the Susquehanna, by Mifflin Township. Mifflinville is across the river southwest of Briar Creek, accessible by Market Street Bridge west of the borough limits.

According to the U.S. Census Bureau, the borough of Briar Creek has a total area of 1.9 square miles (4.8 km), of which 1.7 square miles (4.3 km²) is home and 0.2 square miles (0.5 km), or 10.38%, is water. Briar Creek is served by U.S. Route 11, which follows the Susquehanna River, leading east into Berwick and southwest 10 miles (16 km) to Bloomsburg, the county seat. Although Briar Creek is one of the smaller boroughs in Pennsylvania, it is house to many acres of farmland, a golf course, and a lake. A creek bearing in mind the same name as the borough flows through Briar Creek.

As of the 2020 United States census, there were 597 people residing in the borough. The population density was 361.8 people per square mile (139.7/km), with 331 housing units at an average density of 200.6 per square mile (77.5/km²).