<Tr> <Th> Poll source </Th> <Th> Date (s) administered </Th> <Th> Sample size </Th> <Th> Margin of error </Th> <Th> Generic Democrat </Th> <Th> Generic Republican </Th> <Th> Undecided </Th> </Tr> <Tr> <Td> BK Strategies (R) </Td> <Td> June 24--25, 2018 </Td> <Td> 1,574 </Td> <Td> ± 2.5% </Td> <Td> 49% </Td> <Td> 42% </Td> <Td> 9% </Td> </Tr> <Table> United States Senate special election in Minnesota, 2018 <Tr> <Th_colspan="2"> Party </Th> <Th> Candidate </Th> <Th> Votes </Th> <Th>% </Th> <Th> ± </Th> </Tr> <Tr> <Td> </Td> <Td> DFL </Td> <Td> Tina Smith (incumbent) </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Republican </Td> <Td> Karin Housley </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Independent </Td> <Td> Jerry Trooien </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> LMN </Td> <Td> Sarah Wellington </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th_colspan="3"> Majority </Th> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th_colspan="3"> Total votes </Th> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Party </Th> <Th> Candidate </Th> <Th> Votes </Th> <Th>% </Th> <Th> ± </Th> </Tr>

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