Twenty senators are female, for the first time ever. Plus, Senate's first openly gay woman.
In the 2012 election, 20 women were elected to Senate.
On Wednesday afternoon, Democrat Heidi Heitkamp finally won the extremely tight North Dakota race against Republican Rick Berg. There are now 20 women in Senate — one in five.
Image by Will Kincaid / AP
Before the 2012 election, there were 17 women in Senate, the most there had ever been previously.
Source: philabooks.files.wordpress.com
There are now only four Republican female Senators.
Two Republican female Senators, Kay Bailey Hutchison of Texas and Olympia Snowe (pictured) of Maine, are retiring.
Image by Jessica Rinaldi / Reuters
All six female Democratic Senators who were up for reelection won their races.
Kirsten Gillibrand of New York (pictured), Maria Cantwell of Washington, Dianne Feinstein of California, Amy Klobuchar of Minnesota, Claire McCaskill of Missouri, and Debbie Stabenow of Michigan.
Image by Mario Tama / Getty Images
