Exhibit 21

Subsidiaries

Steadfast Income REIT Operating Partnership, L.P. (Delaware)
SIR Lincoln Tower, LLC (Illinois)
SIR Park Place, LLC (Iowa)

SIR Arbor Pointe, LLC (Delaware)

SIR Clarion Park, LLC (Delaware)

SIR Cooper Creek, LLC (Delaware)

SIR Prairie Walk, LLC (Delaware)

SIR Truman Farm, LLC (Delaware)

SIR EBT Lofts, LLC (Delaware)

SIR Windsor on the River, LLC (Delaware)

SIR Renaissance, LLC (Delaware)

SIR Spring Creek, LLC (Delaware)