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Voters prepared to cast their ballots inside polling booths just after midnight in Dixville Notch, N.H. Voters in Dixville Notch traditionally cast the first ballots on Election Day.

Amanda Lucier/The Virginian-Pilot via Associated Press

Students at Old Dominion University waited in line to vote at Larchmont Elementary School in Norfolk, Va.

Jim Lo Scalzo/EPA

Virginia residents waited in line in the pre-dawn hours to vote at Nottoway Park in Vienna, Va.

David L. Ryan/Globe Staff

Poll worker Rosemary Good handed out stickers in Belmont.

Jason Reed /Reuters

President Obama sat next to a volunteer as he called other volunteers during a visit to a campaign field office in Chicago.

David L. Ryan/Globe Staff

Mitt Romney waved to a crowd of supporters after voting in Belmont.

Lucas Jackson/Reuters

Replacement voting sites were created in Queens after Sandy damaged the existing polling places.

Wendy Maeda/Globe Staff

Alice Vu, 5, read “The Hungry Kitten,” while waiting outside a polling station on Lexington Avenue in Cambridge.

Paul Sancya/Associated Press

United Auto Workers retiree Jackie Smith listened during a rally on Election Day at the UAW Region 1 technical training center in Warren, Mich.

David L Ryan/Globe Staff

Voters waited in long lines at the Condon School in South Boston. Lines were prevalent at many polling places in Massachusetts.

Jeff Kowalsky/EPA

A three-picture photo combo showed Nina Bush casting her ballot on an electronic voting machine in Toledo, Ohio.

Justin Lane/EPA

Voter Jesse James of the Rockaways, N.Y., filled out a voter form at a polling site located in a tent due to the area's continued recovery from Hurricane Sandy.

Charles Dharapak/Associated Press

Republican candidate Mitt Romney and running mate Paul Ryan made an unscheduled stop at a Wendy's restaurant in Richmond Heights, Ohio.

Jessica Rinaldi /Reuters

A boy peeked out of the voting booth in New Hampton, N.H.

Suzanne Kreiter/Globe staff

Elizabeth Warren greeted supporters at the Graham and Parks School in Cambridge.

David L. Ryan / Globe Staff

Senator Scott Brown encouraged pupils at the Sullivan Middle School in Lowell to encourage their parents to vote for him.

Brendan Hoffman/Getty Images

People walked past a polling station in Washington, D.C.

Wendy Maeda/Globe Staff

Milagros Pena high-fived Boston Police Officer Brendan Lyons after casting her ballot at Orchard Gardens in Dorchester.

John Minchillo/Associated Press

Voters waited to cast a ballot in the Chelsea neighborhood of Manhattan.

Tim Chapman/The Miami Herald via Associated Press

Voters waited in line to cast their ballots in Miami.

Brendan Hoffman/Getty Images

A street scene was reflected in the window of a gift shop near the White House in Washington, D.C.

Mike Groll/Associated Press

Voters filled out their ballots in a vehicle storage bay at Armory Garage, an auto dealership in Albany, N.Y.

Dave Martin/Associated Press

Snow surrounded the polling precinct in Terra Alta, W.Va.,

Brendan Smialowski/AFP/Getty Images

Voters at Tremont Elementary School in Cleveland, Ohio.

Andrew Burton/Getty Images

Members of the Army National Guard filled out absentee voter ballots for the presidential election while temporarily stationed along the New Jersey coastline to help with the recovery from Sandy.

Lucy Nicholson/Reuters

George Klein, Jenine Kanell, and their children lined up to vote at a Venice Beach lifeguard station in Los Angeles.

Eduardo Munoz/Reuters

People lined up to vote at a polling station set up for those affected by Sandy in Hoboken, N.J.

Wendy Maeda/Globe Staff

Voting was brisk as the polls opened at a fire station on Lexington Avenue in Cambridge.