 It is unusual for having had just three different population figures on 7 out of 9 censuses (103 in 1930 & 1990; 101 in 1950-70 & 84 in 2000-10) and an identical (unchanged) population on 5 different censuses (101 in 1950, 1960 & 1970 and 84 in 2000 and 2010).Beaver became a census-designated place (CDP) in 1980.At the 2000 census there were 84 people, 31 households, and 19 families in the CDP.