Belden is a census-designated place (CDP) in Plumas County, California, United States.

[3] Belden is located on the Feather River Route and the North Fork Feather River, 7 miles (11.3 km) southwest of Caribou.

The population density was 30.3 inhabitants per square mile (11.7/km2).

The racial makeup of Belden was 20 (90.9%) White, 0 (0.0%) African American, 0 (0.0%) Native American, 0 (0.0%) Asian, 0 (0.0%) Pacific Islander, 0 (0.0%) from other races, and 2 (9.1%) from two or more races.

6 people (27.3% of the population) lived in owner-occupied housing units and 16 people (72.7%) lived in rental housing units.

At the 2000 census there were 26 people, 13 households, and 5 families in the CDP.

The century-old Feather River Bulletin newspaper shuttered in 2023.

In the state legislature Belden is located in the 1st Senate District, represented by Republican Megan Dahle,[24] and the 1st Assembly District, represented by Republican Heather Hadwick.

[25] Federally, Belden is in California's 1st congressional district, represented by Republican Doug LaMalfa.