Minn. Stat. § 204C.05
Subd. 1. Opening and closing times.
Except as otherwise provided in this section, at the state primary and the state general election the hours for voting in every precinct in the state shall begin at 7:00 a.m. and shall extend continuously until 8:00 p.m.
Subd. 1a. Elections; organized town.
The governing body of a town with less than 500 inhabitants according to the most recent federal decennial census, which is located outside the metropolitan area as defined in section 200.02, subdivision 24, may fix a later time for voting to begin at state primary, special, or general elections, if approved by a vote of the town electors at the annual town meeting. The question of shorter voting hours must be included in the notice of the annual town meeting before the question may be submitted to the electors at the meeting. The later time may not be later than 10:00 a.m. for special, primary, or general elections. The town clerk shall either post or publish notice of the changed hours and notify the county auditor and the secretary of state of the change 30 days before the election.
Subd. 1b. Elections; unorganized territory.
An unorganized territory or unorganized territories which constitute a voting district may have shorter voting hours if at least 20 percent of the registered voters residing in the voting district sign a petition for shorter hours and present it to the county auditor and secretary of state at least 30 days before the election. The later time may not be later than 10:00 a.m. for special, primary, or general elections. The county auditor shall either post or publish notice of the changed hours, within the voting district, 30 days before the election.
Subd. 2. Voters in line at closing.