Lyon County Fair Grounds: S 5th Ave and Tama Street - Rock Rapids, IA Directions to the Fair Grounds: From Hwy 9 - turn on Tama Street and go South 3 blocks.   From Hwy 75 - turn on S. 5th Ave and go 8 blocks east.                                          You will run right into the fair grounds © Lorem ipsum dolor 2010 2014 Fair Queen The 2014 Lyon County Fair Queen:    Kendra Dryfhout- Miss Doon First Runner Up:     Cassidy Koedam-Miss Alvord Miss Congeniality:     Allison Wright- Miss Rock Rapids Contact Information For more information about the Lyon County Fair, you can contact the Fair Board by the following:      Email:      Phone: 712-472-2067 Fair Grounds This   This Image is of the Dairy Barn. Made with MAGIX