 Rent burden, or the percentage of residents who have difficulty paying their rent, is 65% in Morris Heights and Fordham, compared to the boroughwide and citywide rates of 58% and 51% respectively.Based on this calculation, , Morris Heights and Fordham are considered low-income relative to the rest of the city and not gentrifying.Morris Heights is dominated by 5- and 6-story tenement buildings, older multi-unit homes, vacant lots, newly constructed subsidized attached multi-unit townhouses, and apartment buildings.