Question: What was the population of the county seat city of Powder River County in 2010?

Context paragraphs:
Powder River County, Montana: Powder River County is a county located in the U.S. state of Montana.  As of the 2010 census, the population was 1,743.  Its county seat is Broadus.

Broadus, Montana: Broadus is a town in and the county seat of Powder River County, Montana, United States.  The population was 468 at the 2010 census.

Coalwood, Montana: Coalwood is an unincorporated community in northern Powder River County, Montana, United States.  It lies along Montana Highway 59 23.5 mi north of the town of Broadus, the county seat of Powder River County.

Olive, Montana: Olive (also Rocky Point) is an unincorporated community in north central Powder River County, Montana, United States.  It lies along Highway 59 northwest of the town of Broadus, the county seat of Powder River County.  Its elevation is 3,232 feet (985 m).  The post office has closed.

Biddle, Montana: Biddle is a census-designated place in southeastern Powder River County, Montana, United States, near the Little Powder River.  It lies along Highway 59, just south of Ranch Creek Road, and south of the town of Broadus, the county seat of Powder River County.  Its elevation is 3,337 feet (1,017 m).  A post office was established in Biddle in 1916.

Epsie, Montana: Epsie is an unincorporated community in western Powder River County, Montana, United States.  It lies along U.S. Highway 212 12.7 mi west of the town of Broadus, the county seat of Powder River County.

Powderville, Montana: Powderville, also Elkhorn Crossing is an unincorporated community in northeastern Powder River County, Montana, United States, along the Powder River.  It is a small cluster of buildings that lies along local roads northeast of the town of Broadus, the county seat of Powder River County.  Its elevation is 2,828 feet (862 m).

Sonnette, Montana: Sonnette is an unincorporated community in west central Powder River County, Montana, United States.  The community is situated near the headwaters of Pumpkin Creek, just west of the Custer National Forest.  It lies along local roads northwest of the town of Broadus, the county seat of Powder River County.  Its elevation is 3,766 feet (1,148 m).

Belle Creek, Montana: Belle Creek (also Bell Creek) is an unincorporated community in southeastern Powder River County, Montana, United States.  It lies along local roads southeast of the town of Broadus, the county seat of Powder River County.  Its elevation is 3,570 feet (1,088 m), and it is located at about (45.1258190, -105.1049831).

Otter, Montana: Otter is an unincorporated community in southwestern Powder River County, Montana, United States, in the Custer National Forest.  It lies along local roads southwest of the town of Broadus, the county seat of Powder River County.  Its elevation is 3,484 feet (1,062 m).  Although Otter is unincorporated, it has a post office, with the ZIP code of 59062.

Supporting paragraphs: Powder River County, Montana Broadus, Montana
Answer: 468