Complex sentence: The largest community on the reservation is the city of Cloquet, although only the relatively sparsely populated western half of the city is on reservation land; that part has a population of 1,204 persons out of the city's total of 11,201.
Split into simpler sentences: The largest community on the reservation is the city of Cloquet, of which only the sparsely populated western half of the city is on reservation land. That part has a population of 1,204 persons out of the city's total of 11,201.