Belden is located at GR1.(40.006439, -121.252546)
As of the censusGR2 of 2000, there were 26 people, 13 households, and 5 families residing in the CDP. The population density was 15.7/km² (40.6/mi²). There were 36 housing units at an average density of 21.7/km² (56.3/mi²). The racial makeup of the CDP was 100.00% White. 0.00% of the population were Hispanic or Latino of any race.
There were 13 households out of which 30.8% had children under the age of 18 living with them, 30.8% were married couples living together, and 61.5% were non-families. 38.5% of all households were made up of individuals and 23.1% had someone living alone who was 65 years of age or older. The average household size was 2.00 and the average family size was 3.00.
In the CDP the population was spread out with 19.2% under the age of 18, 3.8% from 18 to 24, 50.0% from 25 to 44, 15.4% from 45 to 64, and 11.5% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 85.7 males. For every 100 females age 18 and over, there were 110.0 males.
The median income for a household in the CDP was $6,719, and the median income for a family was $8,750. Males had a median income of $ versus $3,750 for females. The per capita income for the CDP was $3,141. All families were living below the poverty line and all of the population.
The primary local news source is the Feather River Bulletin, a newspaper published every Wednesday.