Kim Clinkunbroomer posted on Google+ that Google has added new charts and graphs within the Google AdWords Display Network Demographics section.
The new charts use the donut chart format to display gender, parental status and others. There are various colorful charts now included in this report that give advertisers quicker and a more appealing look at the consumers they are targeting.
Here is a screen shot from Kim:
Kim also said now you can add demographic combinations on the Ad Group and Campaign level.
Forum discussion at Google+.