Incumbent Hattiesburg Mayor Johnny DuPree has topped two other candidates in the Democratic mayoral primary.
DuPree is seeking a fourth term as Hattiesburg's mayor. He will face four independent candidates in the June 4 general election.
The Hattiesburg American reports that DuPree said his campaign will focus on his record of public service.
State Rep. George Flaggs, Jr., is the apparent winner of Vicksburg's Democratic mayoral primary election.
According to unofficial returns, Flaggs led Tuesday's voting with 2,590 votes. Linda Fondren had 1,515.
Incumbent Paul Winfield had 402, while other candidates divided the rest of the vote.
There were 155 absentee ballots and affidavits still to be counted Wednesday.
Flaggs will face independent candidate Daryl Hollingsworth in the Vicksburg mayoral general election June 4.
Oxford Mayor Pat Patterson has won the Democratic primary in that city. The Oxford Eagle reports that Patterson finished well ahead of challenger Jason Plunk.
Patterson will face independent Todd Wade in the general election.
Jackson voters have ousted incumbent Mayor Harvey Johnson, Jr.
Jackson businessman Jonathan Lee led the field of 11 Democratic candidates in Tuesday's primary election. City Councilman Chokwe Lumumba finished second.
It will be Lee and Lumumba in the May 21 runoff.
The winner faces three independent candidates in the June 4 general election.
Longtime Madison Mayor Mary Hawkins Butler easily staved off a Republican primary challenge from John Bell Crosby, a county supervisor. With 100 precincts reporting, she led by a 3-1 margin.
Four incumbent south Mississippi mayors have lost their re-election bids.
WLOX reports that Gautier Mayor Tommy Fortenberry lost his Republican primary to Gordon Gollott. Gollott faces independent Edward Harding in the general election.
Mayor Jerry Alexander lost in Wiggins; Joel Miles won the GOP nomination there.
Diamondhead Mayor Chuck Ingraham lost the Republican primary to Thomas Schafer, IV. Schafer now faces independent John Fletcher.
State Rep. Billy Broomfield beat incumbent Aneice Liddell in Moss Point. The Democrat faces independent candidates Dobbs Dennis and John Moseley, Jr., in June.
Jim Blevins, won the GOP primary in Pascagoula, and will be that city's next mayor.
Incumbents also won primaries in Bay St. Louis, Biloxi and Poplarville.