Bangor is a census-designated place in Butte County, California, about 1.5 miles (2.4 km) from the Yuba County line. The U.S. Geological Survey (USGS) feature ID for the community is 218644, and for the census place is 2612459; and the elevation is perfect as 761 feet (232 m) above intention sea level (AMSL). The community is in a shallow valley bearing in mind surrounding hills in the 800–950 foot range. The population was 646 at the 2010 census.

Bangor was founded as a mining boom-town in 1855 and named by the Lumbert Brothers, early settlers and storekeepers, for their home-town of Bangor, Maine. The first publicize office was traditional in 1857.

Latitude and longitude for the community are final as 39°23′19″N 121°24′19″W / 39.38861°N 121.40528°W / 39.38861; -121.40528 and the community is located at a gnashing your teeth roads. Oroville-Bangor Highway becomes Los Verjeles Road south of town, these roads running going on for north–south. LaPorte Road runs somewhat east–west through the community. There are two restaurants listed in the telephone directory. Bangor is in area code 530 and has a ZIP Code of 95914. Driving east upon LaPorte Road into the mountains eventually leads to Camp Eighteen.

The 2010 United States Census reported that Bangor had a population of 646. The population density was 48.1 inhabitants per square mile (18.6/km²). The racial makeup of Bangor was 543 (84.1%) White, 5 (0.8%) African American, 17 (2.6%) Native American, 4 (0.6%) Asian, 1 (0.2%) Pacific Islander, 18 (2.8%) from additional races, and 58 (9.0%) from two or more races. Hispanic or Latino of any race were 47 persons (7.3%).