Incumbent Republican Benjamin Winfrey beat fellow Republican and former Miller County prosecutor Robert Seekwith 64.44 percent of the vote, or 2,986 votes, to Seek's 35.56 percent, or 1,658 votes, in the race for Miller County prosecuting attorney.
No Democratic candidate filed to run for the position, so Winfrey will not face an opponent in the November general election.
In the race for Miller County collector of revenue, incumbent Republican William Harvey beat three challengers by getting 48.95 percent of the vote, or 2,235 votes.
Debra June Nichols ran for collector after retiring as an associate clerk for the Miller County Circuit Court April 30 and came in second with 23.11 percent of the vote.
Former Miller County Sheriff Gaylor McDaniel came in third with 14.24 percent of the vote, or 650 votes.
Tina Kasper, who built her career on bookkeeping and works as an accountant at Boorom Bookkeeping Waynesville came in fourth with 13.71 percent of the vote, or 626 votes.
In the race for Miller County clerk, Republican Sheila Curtman beat fellow Republican Jill Humphrey with 54.85 percent of the vote, or 2,503 votes, to Humphrey's 30.1 percent, or 1,374 votes.
Republican Chuck Drace came in third with 15.03 percent of the vote, or 686 votes.
No Democratic candidates filed to run for elected offices in Miller County's primary election, so the Republican nominees will not face opponents in the Nov. 6 general election.