When millions of Americans head to the polls on November 6, only nine states will likely make or break the election. With the stakes that high, we took a look -- by the numbers -- at the swing states:

9: The number of swing, or battleground, states in play for the 2012 presidential election. They are: Colorado, Florida, Iowa, Nevada, New Hampshire, North Carolina, Ohio, Virginia and Wisconsin.

110: The number of Electoral College votes up for grabs in the nine swing states. There are 538 votes available with a minimum of 270 needed to win the White House.

66.2 million: The population of the nine swing states, approximately 21% of the total U.S. population.

19 million: The population of Florida, the largest of the swing states. Florida has 29 Electoral College votes.

1.3 million: The population of New Hampshire, the smallest of the swing states. New Hampshire has four Electoral College votes.

40.5 million: The number of registered active voters in the nine swing states.

7: The number of battleground states that had higher unemployment rates in August 2012 than in January 2009. However, all are lower than their peak unemployment rates in 2010.

9.6%: Nevada's unemployment rate in January 2009, when President Barack Obama took office.

12.1%: The unemployment rate in Nevada in August 2012, the highest of the swing states and the highest in the country. The unemployment rate peaked at 14% in October 2010.

5.5%: The unemployment rate in Iowa in August 2012, the lowest of the nine swing states.

8.6%: Ohio's unemployment rate in January 2009 when, Obama took office. It peaked at 10.6% in January 2010.

7.2%: Ohio's unemployment rate in August 2012, down 3.4% since January 2010.

27.1%: The percentage of Nevada residents that are Latino, the highest of the nine swing states.

2.9%: The percentage of New Hampshire residents that are Latino, the lowest of the battleground states.

7%: Approximate percentage of Nevada residents that belong to the Church of Jesus Christ of Latter Day Saints, the highest of the swing states.

0.4%: Approximate percentage of Wisconsin residents that belong to the Church of Jesus Christ of Latter Day Saints, the lowest of the nine swing states.