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Happy Independence Day! - From parades to fireworks, Independence Day is marked with celebration. Americans collectively reflect on 238 years of American history and where we as a nation are headed next. Before you fire up the barbecue and bring out the fireworks, read on for a fun round-up of facts about the Fourth of July from the U.S. Census Bureau. — Britt Middleton (Photo: Ariel Skelley/Getty Images)

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2.5 Million - The estimated number of people living in the newly independent United States in July 1776. (Photo: Rischgitz/Getty Images)

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318.4 Million - The nation's estimated population in July 2014. (Photo: Sarah L. Voisin/The Washington Post via Getty Images)

Photo By Photo: Sarah L. Voisin/The Washington Post via Getty Images

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56 - Numbers of signers to the Declaration of Independence. Benjamin Franklin, John Adams, Thomas Jefferson, Roger Sherman and Robert R. Livingston comprised the Committee of Five that drafted the Declaration. Jefferson, regarded as the strongest and most eloquent writer, composed most of the document. (Photo: Public Domain)

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2 - Of that group, two future U.S. presidents signed: John Adams (second U.S. president) and Thomas Jefferson (third U.S. president). Both died on the 50th anniversary of signing the Declaration (July 4, 1826). (Photos: Hulton Archive/Getty Images)

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203.6 Million - The value of fireworks imported from China in 2013, representing the bulk of all U.S. fireworks imported ($213.8 million). Comparatively, U.S. exports of fireworks came to just $10.2 million in 2013. (Photo: Mario Tama/Getty Images)

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$4.0 Million - The dollar value of U.S. imports of American flags in 2013. The majority of this amount ($3.9 million) was for U.S. flags made in China. (Photo: REUTERS/Eric Thayer)

Photo By Photo: REUTERS/Eric Thayer

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$781,222 - The dollar value of U.S. flags exported in 2013. Mexico was the leading customer, purchasing $160,000 worth. (Photo: Tom Pennington/Getty Images)

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59 - Fifty-nine places in the United States contain the word "liberty" in the name. Pennsylvania, with 11, has more of these places than any other state. Of the 59 places nationwide containing "liberty" in the name, four are counties: Liberty County, Georgia (est. population 65,471); Liberty County, Florida (8,276); Liberty County, Montana (2,392); and Liberty County, Texas (76,571). (Photo: Fotosearch/Getty Images)

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136 - The number of places with the name "union" nationwide. Pennsylvania, with 33, has more of these places than any other state. Other words most commonly used are Washington (127), Franklin (118), Jackson (96) and Lincoln (95). (Photo: Raymond Boyd/Getty Images) 

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62.9 million - The number of all hogs and pigs on March 1, 2014. The bulk of pork hot dogs and sausages consumed on the Fourth of July likely originated in Iowa, home to 19.8 million pigs and hogs and one of the nation's top producers of pork products. (Photo: Lauri Patterson/Getty Images)

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6.1 Billion Pounds - Total estimated production of cattle and calves in Texas in 2013, which accounted for nearly one-sixth of the nation's total production. It's likely that the beef hot dogs, steaks and burgers you will feast on came from the Lone Star State, Nebraska (estimated at 5.1 billion pounds) or Kansas (estimated at 3.7  billion pounds). (Photos from left: Jeff J Mitchell/Getty Images, John Moore/Getty Images)