With most of first preference votes counted on Saturday, Mr Marshall had more than 70 per cent of the primary vote - the highest in the state.

"I'm really looking forward to getting back into the swing of things," Mr Marshall said.

"(I'll be) back to work first thing [on Monday], and I'm really thankful to everyone for their support. I don't take it for granted at all, I am quite sincerely humbled."

Mr Marshall had started election day in Moree, where he voted, then hit the road, visiting booths at Pallamallawa, Gravesend, Warialda, Delungra, Inverell, Glen Innes, Glencoe and Guyra before arriving home in Armidale in the evening.

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He first won the seat at a byelection in 2013, and has increased his vote at the two elections since then.

The former Gunnedah mayor, who had moved to Armidale the year before to commence studying at UNE, was first elected with 63 per cent of the vote.

Since then, Mr Marshall was re-elected four years ago with 67 per cent, and again on Saturday with a primary vote expected to remain above 70 per cent.

This time he was up against Labor's Debra O'Brien, who was running in her second campaign for the seat, Rayne Single from the Shooters, Fishers and Farmers, as well as Greens candidate, Dorothy Robinson.

The coalition government won a third term at the election, which should see Mr Marshall remain a minister.

For the last two years Mr Marshall has been a minister in the Berejiklian government, serving as the Minister for Tourism and Major Events as well as the Assistant Minister for Skills.​

But he said there had been no discussion yet about ministerial positions in the next government.

"If I am offered something, I view that as a bonus. It's this region that I'm most interested in," he said.

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