Spending was up by $29.6 billion in March.
Personal incomes rose by $50.3 billion or 0.4 percent. Disposable incomes rose by 0.4 percent, $42.5 billion, the agency said.
Personal savings as a percentage of disposable income rose from 3.7 percent in February to 3.8 percent in March. Both are sharply lower than the 4.3 percent savings rate in January.
Core prices, which exclude food and energy items, rose 0.2 percent after increasing 0.1 percent in February.