Democrats flipped state House seats in New Hampshire and Oklahoma on Tuesday, replacing Republicans in two districts ahead of the 2018 midterm elections.

Democratic school teacher Jacob Rosecrants garnered 60 percent of the vote in the race of for Oklahoma's House District 46, defeating Republican Darin Chambers, who had 40 percent, according to unofficial counts.

Rosecrants, who lost in the last election by the same margin, is the first Democrat to win the district since 2012.

Republicans held a nearly 3,000 voter-registration advantage in the district.

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Democrat Charlie St. Clair was also victorious in New Hampshire's District 9 House election, beating Republican Steven Whalley, 56 to 44 percent, according to unofficial counts.

St. Claire will replace Republican Robert Fisher in that district.

President Trump won both districts in Oklahoma and New Hampshire in 2016 by double-digit margins.

Trump took Oklahoma's 46th House District by 11 points and won New Hampshire 9th House District by 17 percentage points.

Democrats suffered special election losses at the national level earlier this year, including the highly contested race for Georgia's 6th Congressional District.

This report was updated at 8:15 a.m.