Marshall County Fair with Diamond Rio - Marshall, MN Warren, MN · Marshall County Fairgrounds Jul 26 , 2018 Time TBD Venue Details Get Directions Address 520 North 8th Street, Warren, MN 56762 (218) 745-4445 marshallcountyfair.org Post navigation Next: Dellwood Country Fest with Joe Nichols – Dellwood, MNPrevious: Private Event