Complex sentence: There were 3,921,543 males and 4,111,008 females, 1,848,132 housing units with average of 4.34 per unit versus national average of 3.86, some 13.3 percent of the population was under the national poverty line.
Split into simpler sentences: There were 3,921,543 males and 4,111,008 females with 1,848,132 housing units with average of 4.34 people per unit versus national average of 3.86. Some 13.3 percent of the population was under the national poverty line.