Oklahoma women in full-time jobs earn 21 percent less than men

Nationwide, women who were full-time wage and salary workers earned 17.7 percent less than men, the bureau reported. The median wage for women was $684 per week compared to $832 for men.

Among states, women's median weekly earnings last year ranged from a low of $564 in Montana to $878 in Connecticut. Women on the East Coast enjoyed some of the highest earnings; in Massachusetts, New Jersey and Maryland, women's weekly earnings were more than $800.

For men, median weekly earnings were lowest in Arkansas at $675 and highest in Connecticut at $1,106, according to the report.

The District of Columbia had the highest median weekly wage for both women and men, at $950 and $1,151, respectively.

Earnings differ across the nation due to variations in occupation, industry and age composition of each state's labor force, according to the bureau.