The Croatian Party of Rights (HSP) finished second with 15.45 percent of votes and will have eight councillors, the county election commission reported on Monday.
The slate of the SDP-HSS coalition came third with 14.93 percent of votes (eight seats, and the slate of the HDZ-HSLS won 14.36 percent of votes (seven seats), while the HNS-LS-SBHS-ZH slate won 9.19 percent of votes and three seats.
The Croatian Party of Pensioners (HSU) and the Independent Serb Democratic Party (SDSS) also passed the election threshold of 5 percent and will have three councillors each in the county assembly.
The turnout in the county was 43.75 percent.
In the city of Osijek, the slate led by Glavas will have eight councillors.
The LS-HNS-SBHS-ZH coalition won six seats, and the HSP four seats.
The SDP-HSS coalition will have three councillors, and the HDZ and the HSU two seats each.
The turnout in the city was 40.98 percent.