Turner racked up 87% of 47,744 votes counted and the Associated Press called him an early winner.
Desiree Tims of Dayton will be Turner’s Democratic opponent in November.
Tims received 70% of 43,911 votes counted in her primary race against Eric Moyer of Kettering.
Tims, a Xavier University and Georgetown law graduate served as a law clerk for law firm Dinsmore & Shohl and was director of judiciary programs for the League of Conservation Voters and a senior advisor for Child Care Aware of America.
The district includes all of Montgomery and Greene Counties and a portion of Fayette County.
MORE: 3 Republicans, 2 Democrats vying to represent Dayton in Congress
8th Congressional District
Incumbent U.S. Rep. Warren Davidson, R-Troy, won easily over primary challenger Edward R. Meer of West Chester Twp. Davidson hauled in 92% of the votes, also making it one of the first races of the night to be called by the Associated Press.
Davidson will face Vanessa Enoch of West Chester Twp., who defeated Matt Guyette of Greenville for the Democratic slot in November.
Enoch produced a large 77% to 23% victory over Guyette with 11,970 votes counted.
The district consists of all of Butler, Clark, Darke, Miami and Preble counties, and the southernmost portion of Mercer County.
MORE: Pair of Democrats eyeing Ohio’s 8th Congressional District seat
1st Congressional District
Two Democrats squared off in today’s primary to face incumbent U.S. Rep. Steve Chabot, R-Cincinnati, who ran unopposed in the Republican primary.
Kate Schroder of Cincinnati with 55% of 13,514 votes counted was in front of Nikki Foster of Mason in the Democratic primary.
Schroder, a member of the Cincinnati Board of Health holds an MBA from the Wharton School at the University of Pennsylvania.
Libertarian Kevin David Kahn of Cincinnati was also on the primary ballot unopposed.
The district includes all of Warren County and western Hamilton County.
MORE: 2 Democratic women in race to end GOP incumbent’s 24 years in Congress
4th Congressional District
U.S. Rep. Jim Jordan, R- Urbana, also ran unopposed in his district’s Republican primary, but the Democratic primary was packed with three candidates hoping to face Jordan in November.
Candidates in the Democratic primary included Shannon M. Freshour of Marysville, Mike Larsen of Plain City and Jeffrey A. Sites of Lima.
Freshour expanded a lead 45% of the votes in the three-way race followed by Sites with 34%. Larsen has 21% of the 18,160 votes counted by 8:45, according to early unofficial returns by the Ohio Secretary of State’s Office.
Steve Perkins of Pataskala ran unopposed on the Libertarian ballot.
The district includes Allen, Auglaize, Champaign, Crawford, Logan, Sandusky, Seneca, Shelby and Union counties, and parts of Erie, Huron, Lorain, Marion and Mercer counties.