In the 2021 Census of Population conducted by Statistics Canada, Kinuso had a population of 150 living in 73 of its 93 total private dwellings, a change of -17.6% from its 2016 population of 182. With a land area of 0.58 km (0.22 sq mi), it had a population density of 258.6/km (669.8/sq mi) in 2021.
As a designated place in the 2016 Census of Population conducted by Statistics Canada, Kinuso had a population of 182 living in 77 of its 102 total private dwellings, a change of -34.1% from its 2011 population of 276. With a land area of 0.59 km (0.23 sq mi), it had a population density of 308.5/km (798.9/sq mi) in 2016.
^"Table 6: Population by sex, for census subdivisions, 1956 and 1951". Census of Canada, 1956. Vol. I: Population. Ottawa: Dominion Bureau of Statistics. 1958.
^"Table 9: Population by census subdivisions, 1966 by sex, and 1961". 1966 Census of Canada. Western Provinces. Vol. Population: Divisions and Subdivisions. Ottawa: Dominion Bureau of Statistics. 1967.
^"Table 3: Population for census divisions and subdivisions, 1971 and 1976". 1976 Census of Canada. Census Divisions and Subdivisions, Western Provinces and the Territories. Vol. Population: Geographic Distributions. Ottawa: Statistics Canada. 1977.
^"Table 2: Census Subdivisions in Alphabetical Order, Showing Population Rank, Canada, 1981". 1981 Census of Canada. Vol. Census subdivisions in decreasing population order. Ottawa: Statistics Canada. 1982. ISBN0-660-51563-6.
^"Table 2: Population and Dwelling Counts, for Census Divisions and Census Subdivisions, 1986 and 1991 – 100% Data". 91 Census. Vol. Population and Dwelling Counts – Census Divisions and Census Subdivisions. Ottawa: Statistics Canada. 1992. pp. 100–108. ISBN0-660-57115-3.