Facebook has been heavily involved in the mid-term elections in the U.S. this year. We’ve previously written about how important Facebook has become in elections worldwide, and also about how governments use Facebook to share election information.

Today,  Facebook is helping its U.S. users over the age of 18 to go and vote by using the Facebook platform to remind them in the first place, but also help them to find their polling location. A blue box appears at the top of the user’s homepage today that says “Find your polling place on the U.S. Politics Page and click the ‘I Voted’ button to tell your friends you voted.”

Next to this text is a badge that says “Vote” and is decorated with red, blue and stars and a running tally of people on Facebook who voted. Once you do this you can post the fact to your stream. Early this morning the tally was running just under 500,000 but has quickly inched towards 1 million. And ever the social network, Facebook also tells you how many of your own friends have already voted on the tally as well.

If you click on the U.S. Politics Page you are taken to a tab on that Page with an application built by Involver and information from the non-partisan Voting Information Project. The app uses Google Maps and asks you to type in your location to find the nearest polling place; the app gives information about polling places, state and local voting and other useful things to know about voting in your area.

In addition to this app and the voting tally Facebook’s U.S. Politics Page, Facebook is set to broadcast a live town hall from the Walter Cronkite School of Journalism and Mass Communication at Arizona State University beginning at 7 p.m. (Eastern). Facebook is working with ABC on the broadcast. There are also “Races to Watch” tip sheets available, showing which politicians are using Facebook the most.