What concepts are described in the following sentence?

"Castries has 79.5 km2 land area and 65,656 polulation in 2010 census with 776 persons/km2 density"

Return the answer as pairs of triples.
Castries AREA_KM2 79.5
Castries DENSITY_(PERSONS/KM) 776
Castries POPULATION_(2010_CENSUS) 65,656