Oscar Hicklin, 17 months old, yawns while waiting for his mother, Ginger, to fill out her ballot at Reiche School in Portland on Tuesday.

Finn, a 5-year-old Scottish terrier, sniffs an empty box while waiting for his owner, Laura Faure, to cast her votes at Reiche School in Portland on Tuesday.

Heather Johnson of South Portland pokes her head out the booth to greet her husband while voting at the South Portland Community Center on Tuesday.

A voter fills out a ballot at the Irish Heritage Center in Portland on Tuesday.

Ishtiaq Irfhan, 2, gets some exercise while his parents and others exercise their right to vote at the South Portland Community Center on Tuesday.

Melissa Knoll, center, waits in line to cast her ballots at the Portland Expo in Portland on Tuesday. A mayoral election was among the contests on the ballot.

Election clerk Bev Dacey oversees King Bishop and Caitlin Cleary as they cast their ballots at the Portland Expo in Portland on Tuesday. City voters cast ballots on referendums on raising the minimum wage and passing an ordinance to preserve scenic views.

Stratton Stevens, 3, waits in line with his dad, John, who casts his ballots at the Portland Expo in Portland on Tuesday.

Portland election clerks Jim Kachman and Joy Knight share a lighthearted moment with a voter Tuesday at Merrill Auditorium.

Portland voters, from left, Rick Ball, Andrew Burch and Moshen Shayani fill out ballots Tuesday at Merrill Auditorium. City voters had two contentious referendums on the ballot.

Election worker Frank Brancely wears a patriotic tie as he works the polls at the Saco Community Center on Tuesday.

Poll workers check in voters as they make their way to the voting booth in the Saco Community Center, where voter turnout was described as steady by a poll worker Tuesday.

Scott LaBreck exits the voting booth after voting at the Saco Community Center ,where voter turnout was described as steady by a poll worker Tuesday.

Bates College student Eliza Jimenez marks her vote at the Lewiston Armory Memorial in Lewiston on Tuesday. "Bates students do a good job of making sure people are coming out, and being active in Lewiston. The fact that Ben Chin is connected to Bates really gets kids wanting to come out and vote," Jimenez said.

A Lewiston resident votes at the Longley Elementary School in Lewiston on Tuesday. Four candidates are on the ballot for mayor.

South Portland residents line up as they wait to vote for city council and school board candidates, in addition to the statewide ballot, at the South Portland Community Center on Tuesday.

Voters mark their ballots in the voting booths in the Lewiston Armory Memorial in Lewiston on Tuesday.

Bates College student Jonathan Kaufman stands at the head of the line for day-of voter registration with other Bates students at the Lewiston Armory Memorial in Lewiston on Tuesday. "In general at this point in time, people are voting on issues of race and diversity, and it's important to have a candidate that has the ability to deal with issues of race," Kaufman said, speaking about mayoral candidate and Bates College alumnus Ben Chin.

Voters walk past candidates and surrogates as they arrive at the East End School to vote Tuesday in Portland as the sun sets.