Barack Obama and Mitt Romney are tied in Virginia, according to the most recent Quinnipiac poll. Virginia is a key battleground state in the presidential election. Romney has improved his numbers since the group's March 20 poll, which had him trailing the president 50-42 among registered voters. Here is a closer look at factors contributing to the race in Virginia, by the numbers.
* 5.7 The unemployment rate in Virginia according to the latest numbers from the Bureau of Labor Statistics. Virginia ranks in the top 10 states with the lowest unemployment rates in the country as of June 2012.
* 1,600 The number of construction jobs that Virginia lost in June, according to The Washington Post. The state's unemployment rate rose 0.1 percent in June.
* 47 The percentage of voters polled by Quinnapiac that said Mitt Romney would do a better job on the economy. Forty-four percent said that Obama would do a better job with the economy.
* 62 The percentage of Virginia voters who said that they would support an Arizona-style immigration policy, according to NBC Latino. A Public Policy Polling poll indicated that 43 percent of voters oppose Obama's recent immigration policy announcement that would allow some undocumented children to remain in the country.
* 45 Percent of Virginia voters who agree with the Supreme Court's ruling on The Affordable Care Act, according to the same Public Policy Poll. 44 percent disagree with the ruling.
* 20 The number of campaign offices that the Obama campaign currently has in Virginia, according to local NBC affiliate WAVY. The Obama camp just opened three new offices in Hampton, Portsmouth and Martinsville.
* $996,000 Amount that the Karl Rove-backed Super PAC Crossroads will spend on Obama attack ads in the state of Virginia, according to The Washington Post. The Super PAC plans to spend a total of $9.3 million in Colorado, Florida, Iowa, Michigan, North Carolina, New Hampshire, Nevada, Ohio and Virginia.
* $100 Million The amount that President Obama's campaign is spending on ads in swing states including Virginia, according to The Associated Press.
* 9 The number of attack ads purchased by the Obama campaign to run in Virginia during a recent Orioles-Nationals baseball game. The local Fox afilliate limited the number to six, saying that they would have had to run the ads back-to-back to air them all. Mitt Romney had one ad air during the same game.

