For the first time in years, the number of two-parent homes hit 70%, according to the U.S. Census. As family structures have changed and become more inclusive, the number of two-parent households has been decreasing over time, but the slight reversal may be tied to a downturn in the economy. “There has been a slight reversal in recent years, towards more kids being raised in two-parent families,” UVA sociology professor Brad Wilcox said.